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Optogait User Manual

1. READMILL RUN 15 04 201t 11 23 30 Parameter First T Contact Chart Show Hide Grid Show Labels stow Show ALL Data Window ALL Data Osta Show Bars Show Video Video Show Play Single s Overlay snow H 6 Minimum a basste e Va Delete TFlight Gg e Avg elete ight D as 6 Std Dev Show marked rows i e i roy a Lefttoot a e L Re Right foot e CNL CNR Figure 67 Treadmill Running Test assigning the starting foot KE a eile TREADMILL GAIT 1504 2011 11 3040 io j Contewos g 1 5 Hide vi en e A um 7 f 59 speed 0 S Maximum mu 0 718 mo Om as u e Avg ER n one Contig Pant Medina Undetned ry ap Left foot e nak Bien ome D e L R e 3 e D Bar N 5 Figure 68 Treadmill Gait Test assigning the starting foot double support Microgate Srl Pag 74 di 133 G YMICROGATE OPTOGAIT The starting foot of run and gait tests with modular systems can be change several times In a round trip test for example it can be useful to change the foot with which the athlete has entered the area after having changed direction By positioning the mouse on the footprint to be changed and pressing the right button Invert foot is viewed Choosing this option all following feet of the chosen foot are changed e g clicking on the footprint 7 the 7 8 9 etc are inverted Back g gt Fo ic e Starting
2. Figure 90 Tip to Tip or Heel to Heel Step Length e Minimum Step Length cm or ft the minimum step length in centimeters or feet used as a basis to calculate the step length for a Run Gait test e N step speed reference insert the reference speed for the 3rd 6th 9th step in m s insert 0 to disable this option Microgate Srl Pag 89 di 133 EYMICROGATE OPTOGAIT e Split N at distance cm or ft insert at how many cm from the start the first or second split time will be taken leave 0 to disable split times e Minimum foot length cm the minimum foot length in centimeters or inches used to filter possible wrong acquisitions 4 4 1 6 SCREEN The OptoGait software works on most desktop PCs and notebooks of the most recent generation usually with a resolution of 1024x768 the minimum recommended resolution For users who desire to use computers with lower resolutions e g netbooks which often have 1024x600 or computers with lower performance we recommend that you select the Reduced Screen option this will apply the following changes Screen Screen Size e Inthe tables with numerical data and the data lists a smaller font is used in order to fit as much information as possible in the allotted space e Inthe Test Execute module the webcam though connected is not displayed in real time during acquisition In any case the video is saved and can be played in the module Results e In
3. User Manual EYMICROGATE OPTOGAIT Contents 1 Device Functions and Major Features 6 KECOH COT E 8 Li SBA EE 9 LEL JND O EE 9 1 1 2 Tapping Frequency Test 9 LLS Reaction est en 9 12 Single Meteron anale 10 i24i AGOIE FGI SIS FIT AIO SIS aa 10 L3 TheModu lar SY SCCM ritrarre 11 bi Leki 11 E Gr Runa VSS ini 11 1 4 Environmental Conditions and Disclaimers i 12 2 SONI AY E 13 Ca T CHE Le iaia 13 22 DECIDON inni loos nekaann sens ten dee ARA 17 2 gt Peer 17 E De E E AE E E T A A E A A 18 25 Results and VIdeo Analys EE 18 zo Rebora RR EEE E EE E E 18 3 OptoGait Driver and Hardware Installati0N uu iii 20 3 1 Driver IST aA E 20 3 2 OptoGalt Hardware Installation 20 SE SE e een EE 24 3 3 1 OptoGart Battery lt 26 3 4 OptoGait Electromyography Connector i 27 4 Descripuonol DE ege E 28 adl d En E 28 4 1 1 Insert Edit Patients E 28 ALL Patient Data Input Mask 30 4 1 1 2 Importing and Exporting Patients Personal Data kvcel 31 Al 2 0 d i Ge G0 e E A a 32 Microgate Srl Pag 2 di 133 EYMICROGATE OPTOGAIT VIII E E 34 AE elena 34 4 2 1 1 Execute COMMUN ALOU sr nerina 37 4 2 2 Define Edit Tests 39 4 2 2 1 Main and Secondary Parameters i 40 4 22 MD EE 45 d E Reg e fu gun eee eee een rer eee ee ere er cree re 46 4224 SPN and Gait lt lt eee eri 47 1 225 Treadmill RUINS TESE aiar e 50 42 26 Treadmill Gait VO Sia acaci
4. t Clear all Jj Open i T _ ___ i A Add To Report Add Overlay Delete Overlay Select S Pan GC Move Undo Redo L Color P Font Grid Ruler Pencil Add Time Line Lines Circle 2P Circle CR Arc 2P ek Arc CR Arc 3P gt Arc 3P gt Line Angle Right Ir yen Microgate Srl Pag 124 di 133 GYMICROGATE OPTOGAIT Press the Indexes button and enter the measured value Rossi Pierluigi SQUATJUMP 2 LEGS 5 JUMPS 16 03 2011 14 57 53 Rossi Pierluigi ZS SQUATJURP 2 LEGS 5 JUMPS 16 03 2091 14 57 55 SquatJump 2 legs 5jumps Average Power jumps 2 3 4 W Kg 19 96 Knee angle Deg _ 15 Microgate Srl Pag 125 di 133 EYMICROGATE OPTOGAIT 6 4 SINGLE LEG 3 HOPS PROTOCOL This protocol allows evaluation of the functionality of the anterior cruciate ligament with two one leg jumps consisting of 3 forward jumps each possibly after post injury rehabilitation as regards power as well as stabilization Have the athlete carry out 3 forward hops starting slightly out of the test area on the interface drum side first with the left leg and then with the right leg 2 Left Total Distanc A A Rl bt Total Distance _ wal aie Test 1 Test 2 Left Hops Right Hops Start Outside Area Start Outside Area Figure 121 Single Leg 3 Hops Proto
5. 70 80 seconds Need work Configure Over 80 seconds Slow Execute The test ends when you stay outside the test area for more than 3 seconds To display the test results go to Results select the option Protocols from Display gt Data and choose the protocol with the symbol and double click or use lt Display gt Figure 117 5 Dot Drill Protocol from the Test Analysis list E O Rossi Pierluigi Drift Protocol 16 03 2011 09 58 18 gt Search Te men Ee Date From To Figure 118 Selecting a protocol to be printed The printed report includes total time and result as well as average flight and contact times of all 5 tests total time deviation as percentage and fatigability index Microgate Srl Pag 121 di 133 EYMICROGATE OPTOGAIT Time 42 824 Super Quick UP AND BACK RIGHT FOOT LEFT FOOT BOTH FEET TURN AROUND TOTAL Time s 8 328 9 596 9 745 8 438 6 717 42 824 Compared Average 2 8 12 0 13 8 1 5 21 6 8 565 Average Contact Time s 0 123 0 082 0 092 0 098 0 119 0 099 Average Flight Time s 0 237 0 186 0 161 0 141 0 140 0 170 Fatigability 46 4 19 6 18 9 8 2 7 1 Time UP AND BACK RIGHT FOOT LEFT FOOT BOTH FEET TURN AROUND Contact light UP AND BACK RIGHT FOOT LEFT FOOT BOTH FEET TURN AROUND Figure 119 5 Dot Drill report output The parameter Compared average is calculated as difference between the average of all 5 tests and the average value of each single
6. fa OptoGait KS The installer is ready to install OptoGait on your computer Click Next to start the installation Figure 4 Installation confirm installation The setup program will install the product on the PC showing state of progress Microgate Srl Pag 14 di 133 GYMICROGATE OPTOGAIT During installation the OptoGait and Logitech webcam drivers will also be installed If for any reason this does not happen please install the drivers separately These are available on the Microgate USB key supplied with the hardware Installazione guidata driver di periferica Installazione guidata driver di periferica Questa procedura guidata consente di installare i driver software richiesti per il funzionamento di alcune periferiche del computer Per continuare scegliere Avanti lt Indietro Avanti gt Annulla Figure 5 Driver Installation Press lt Next gt to install the drivers and then lt Finish gt to complete installation Installazione guidata driver di periferica Completamento Installazione guidata driver di periferica Installazione driver completata ora possibile collegare la periferica al computer Se disponibili leggere le istruzioni della periferica prima di collegarla Nome driver Stato V Logitech FilterServi Pronto all uso V Logitech Ivpopfit M Pronto all uso w Logitech LVUVC I Pronto all uso Indietro Fine Annulla Figure 6 End of driver ins
7. Aui mmm mwm mm J J 4 gt gt om M O X lt K lt amp uPotoKN rr TTT Data 04 m D D rr W r M D EN Data Show ide nyen um WE WE a CEE lt E lt E lt E wW7W ______ 6 6 6 6 6 6 6 6m6_m6_m__mrm_m____mmxmmxcccccccccccccccmccccmxes s Video 0 Video Show Hide 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Play Single Continuos Geen Overlay Show Hide Vi 0 650 R 0 649 L 0 636 R Video choice Video 1 Video 2 N Speed oe Qix asx 1x K 4L 1 200 301 0 670 1 53 83 163 0 94 wy K 5R 1 726 384 0 644 1 61 0 03 83 166 0 97 k Q 6L 2 225 464 0 632 1 58 0 01 80 163 0 97 K TR 2 766 544 0 650 1 55 0 01 80 160 0 97 jj K 8L 3 263 0 637 C 9 4L 1 253 300 0 666 1 53 83 165 0 93 O Q 5R 1 791 383 0 650 1 58 0 02 83 166 0 95 Q 6L 2 311 465 0 649 1 59 0 01 165 0 96 Q TR 2 829 547 0 636 1 59 0 00 82 164 0 97 F 8L 3 334 0 635 A Wii UN K C Figure 79 Compare Pressing lt Play gt on the command panel at the top the two tests in this example Blue Test and Red Test because of the color of the two sliders below the video will start running allowing visual comparison The lt Configure gt button opens an options panel very similar to the one in the previous section therefore only differences will be described The Search Parameter button allowing you to spot a common point e g the first take off
8. If you notice that the device is not working correctly perform an OptoGait bars Test see chap 4 4 2 Microgate Srl Pag 23 di 133 EYMICROGATE OPTOGAIT NB Do not mix 10 mm and 30 mm bars The bars are clearly marked and distinguishable with regard to both resolution 10 and 30 and TX and RX Figure 21 RX bar Figure 22 TX bar 3 3 POWER SUPPLY OptoGait runs on batteries with a life dependent on the number of bars connected The blinking LED next to the adaptor connector shows the battery charge status Green blinking battery sufficiently charged Red blinking low battery the bars must be connected to the mains supply Orange blinking battery being recharged Figure 23 Battery charge status LED Microgate Srl Pag 24 di 133 Py MICROGATE OPTOGAIT To recharge the battery connect the adaptor plug to the dedicated socket on the drum Use only one power supply and the cable connecting the supply adapter with the second bar to recharge the Single Meter TX bar and RX with interface me Figura 24 Adapter and cable for second bar For the current supply and for recharging multiple meter linear systems use two power supplies one for the TX bar and one for the RX bar The power supply is certified for medical use Figura 25 Two power supplies for multiple meter systems The supplied power plug is specific for the customer s country EU USA UK Japan Microgate Srl Pag 25
9. We have seen that it is possible to select more than one patient and or trials using multiple selections or choosing a protocol a pre defined sequence of pre defined tests and therefore have a cycle of tests performed In this case the OOQ arrows will appear in the respective boxes for moving the selected data Let s suppose we select two patients Rossi and Smith and two tests Squat jump Stiffness Depending on how the parameter Rotation based on is set the following types of sequence can be set Execution Rotatation based on Test Patients tate ice Rotation based on a Test Rotation based on Patients Rossi Stiffness Rossi Stiffness Rossi Squat jump Smith Stiffness Smith Stiffness Rossi Squat jump Smith Squat jump Smith Squat jump TIP When patient test or protocol selection is made it is possible to double click with the mouse on the line of the grid to select the single data item and confirm automatically The videos are always acquired in size 640 x 480 even if they are displayed small The test acquisition can be simulated even if the OptoGait hardware device is not connected The keys that simulate the device are e F8 when pressed simulates the status inside the measurement area when released simulates the status out of the measurement area e F4 every time it is pressed it simulates an external impulse e g photocell etc Note the only function that ca
10. Figure 46 Correct execution of a Tapping Test Microgate Srl Pag 52 di 133 EYMICROGATE OPTOGAIT 4 2 2 8 VERTEC LIKE TEST Main Parameters Start type Indicates if the start of the test must take place with a status change i e entering or exiting the bars or with an external impulse coming from the jack sockets start button signal light etc Start indicates if at the beginning of the test the athlete must be inside the area of the bars or outside the area Stop type As for the start the end of the test can take place because of a status change or an external impulse or in the case of time tests the end of the test time e g a test Jumps 15 seconds will have the Stop type End of Time Finish for the Stop type Status change it is necessary to specify if at the end of the test the athlete must be inside the area of the bars or outside the area in the other two Stop type cases this field does not appear Number of Jumps appears only if the Stop type Status change and specifies how many times the athlete must jump from 1 to 99 Direction the only possible option is opposite side i e the drums of the bars must be positioned in the lower part Secondary Parameters Minimum contact time ms see above Minimum flight time ms see above Maximum flight time ms see above Microgate Srl Pag 53 di 133 EYMICROGATE
11. mme Right INNS Dm ze Swing phase Left 28 3 0 8_ CV 2 7 femme OOOO Right 29 420 6 CV 2 1 mumm io uu Single support lt i Right mg Dm i Load response 20 30 7 CV 3 6 mmm Right 21 9 0 9 cv3 9 fem Die Pre swing CC Right 20 3 0 8_ CV 4 0 mumm Dife ___________i Time parameters Step time sec Left 0 539 0 010 Cv1 0 fmse Right 0 53440 012 Cv2 2 mmm Diff 9 Gait Cycle sec 1 073 0 014 CV 1 3 femme Cadence stepisec PE HUE DL cv11 fre Speed parameters Speed m s 1 39 0 03 CV 2 2 RW Y Y _ _n htt Right 1 394002 NR el pi 00 d Average Speed m s o 1 3920 03 CV 2 2 fi nl Microgate Srl Pag 68 di 133 EYMICROGATE OP TOGAIT In the Run Test on a modular system or on a treadmill there is another possibility i e to view a dynamic report Run Report focusing on the asymmetry between the right and the left foot Of course the report can be viewed also under Results and in the print report To view the report click on the link highlighted in the upper left corner to toggle between Run Data Gait Data and Run Report Run Report Zoom wy eg Lengths Step length cm 11523 CV 3 0 a Sat 10923 CV2 6 DR nl Stride length cm EEN 22424 Cu 19711 pum O Time parameters Flight Time Contact Time Left f 0 080 0 008 CV 107 Right 0
12. whereas if you want to create a 4th level group under Midfielders make sure to select it before pressing lt New gt When a group is selected the grid below will show the patients belonging to the group chosen and its relationship Microgate Srl Pag 32 di 133 EYMICROGATE OPTOGAIT To add one or more patients to a group there are two other possibilities e Select the group to which you want to add a patient and press lt Add to a Group gt select one or more patients by checking them in the grid and press lt Confirm gt It is possible to use lt Select All gt or lt Deselect All gt to speed up checking operations Press lt Cancel gt to exit this function without adding patients e Select the root group Patients which contains all patients select one or two patients by clicking on them see below and drag them with the mouse the classic drag n drop function to the destination group The message Done will confirm that the operation has been successfully completed To make multiple selections use the SHIFT keys to select a range of patients from to or the CTRL key for selections that are not adjacent Members of Patients Members of Patients Durand Pierre Durand Pierre Charles Franz Pierluigi Paolo Rossini Selecting a range Click on Finesse keep SHIFT pressed Selecting a number of non adjacent patients keep CTRL click on Rossini pressed and click on the patients It is als
13. 22 0 579 22 41 1 0 184 0 459 26 2 0 051 0 057 10 0 27 1 12 4 33 3 0 189 0 464 30 0 0 180 0 455 30 0 4 8 1 9 0 0 18 5 12 7 33 3 35 6 12 5 33 3 4 3 1 3 1 Row Management Menu When RIGHT clicking on a table row a context menu appears with the following items VUO0C000000C Figure 64 Data row management menu Microgate Srl Restore row allows you to reset a previously deleted row or a row connected to the row above or below as valid Delete row deletes the selected row deleted rows are not considered in the calculation SR 6L FR BL 9R 10L 11R L t 13 R 14L Restore Row Delete Row Delete TCont Delete TStep Show marked rows 6 402 Change starting foot of averages and of total values for the test Delete TCont deletes a contact time from the selected row as a consequence the associated contact and flight times are added to the flight time in the row above Delete TFlight deletes the flight time from the line row as a consequence associated flight and contact times are added to the contact time in the row below Show marked rows allows you to show hide deleted rows or rows with deleted flight or contact time 8 20 94 22 107 27 41 10 20 45 49 5 40 16 42 05 A To 45 0 2 12 0 673 0 912 0 679 0 944 0 600 0 914 0 697 0 900 0 667 0 934 OP TOGAIT 1 33 1 78 1 56 0 10 6 4 1 56 1 56 0 0 5 6 Pag 70 di 133 GYMICROGATE OPTOG
14. Huber Franz SQUAT JUMP 23 04 2010 10 07 00 K Rossi Pierluigi SQUATJUMP 23 04 2010 10 07 27 ad Figure 52 Multiple selection Microgate Srl Pag 58 di 133 E YMICROGATE OPTOGRIT From the test list it is possible to perform two operations by RIGHT CLICKING on one test line More precisely e Change person allows you to associate a test with another person if the wrong association was made during execution select the command and choose a patient from the displayed mask press lt Confirm gt to choose the new person e Edit note allows you to view edit the note inserted immediately after test completion the note will be printed on the report in the General Data section on the first page of the test f Huber Franz STIFFNESS f Rossi Pierluigi vo men Rossi Pierluigi Rossi Pierluigi b s eeneg EE f Rossi Pierluigi STIFFNESS i Rossi Pierluigi STIFFNESS Figure 53 Context menu under a single test Microgate Srl 2 04 2010 10 15 24 22 04 2010 14 27 55 22 04 2010 14 27 44 25 03 2010 18 11 34 25 03 2010 16 09 31 15 03 2010 12 22 17 Pag 59 di 133 EYMICROGATE OPTOGAIT Test Analysis To view a single test select the corresponding line in the TEST ANALYSIS table and press the button lt View gt or double click with the mouse See chap 4 3 1 ViewTo compare two tests insert the relevant tests in the TEST ANALYSIS table and press the button lt Compare gt S
15. Name Date modified Type _ Test_GroupX Z ogn 03 08 2010 11 51 OGN File 15 743 KB Database OG ogn Seen zen Figure 95 Choosing the OGN file to import Microgate Srl Pag 96 di 133 EYMICROGATE OPTOGAIT Now choose the directory for the import if not present create it using lt Make New Folder gt Browse For Folder Select the directory for the import RI Desktop a Libraries b B Sandro Rizzetto ab Computer a Bin os ICH gt A DEV b Au Drivers gt LO inetpub p J MSSQL gt A Oracle gt Uh PerfLogs gt Program Files gt J Program Files x86 ti A Temp gt J UBCDAWin Organize Include in library Share with Burn Name Date modified Ji Image 03 08 2010 11 54 Ji Video 03 08 2010 11 54 3 Test_GroupXYZ sdf 03 08 2010 11 54 The database is automatically set as current as you can see in the relevant field C My OptoGait TestiTest_GroupXYZ sdf Microgate Srl Pag 97 di 133 EYMICROGATE OPTOGAIT 4 4 3 8 SAVE AS This command allows you to DUPLICATE the CURRENT database This can be useful for backups or to have a copy of the database in which you keep the data of Patients and Groups but where you do not want test data e g when beginning a new season You will be asked in which directory to store the file and to name it ATTENTION Unlike the command Export Database sdf Save as saves the sd
16. OPTOGAIT allows to e Assess objectively the patient s general physical conditions e Identify deficiencies postural problems and asymmetries on the basis of data and videos e Develop and apply therapeutic rehabilitation applications rehab approaches and orthopedic solutions on the basis of precise data e Prevention thanks to immediate assessment of numerical values of relapses complications and involutions of the pathological or post accident condition due to wrong evaluations or diagnosis e Periodically verify the results and the efficacy of treatment e Motivate patients giving them tangible proves of improvement e Compare post and pre accident values if available e Verify in a dynamical situation the efficacy of arch supports insoles or functional tapes e Compare various shoes and their effect on the patient s gait Optogait is a system for optical detection made of a transmitting and a receiving bar Each one contains 96 LEDs communicating on an infrared visible frequency with the same number of LEDs on the opposite bar Once positioned on the floor or on the treadmill the system detects the interruptions of the communication between the bars caused by the patient s movement and calculates the duration and position During the execution of a running gait or series of jumps test the contact and flight times can be measured with an accuracy of 1 thousandth of a second and the position of the interrupted LEDs with a space r
17. Organize v New folder SS Name Date modified Type No items match your search File name Test Group Save as type Database OG ogn Hide Folders Cancel Figure 94 Saving the OGN file 4 4 3 7 IMPORT Imports an OGN file previously exported to another PC or to the same PC in case of data deletion or removal restore This command can also be used to merge two databases into one database This operation is carried out in THREE steps e You will be asked if you want to import into a new database Import or the current one Merge e The first dialog box asks you to locate the file with the extension OGN to import e The second dialog box only if you clicked YES in the first message window asks in which folder to extract the OGN file and as a consequence to store the database file sdf and its subdirectories Video and Images It is recommended to use the suggested default destination directory which is the local Documents folder Example You want to import an OGN export file saved on a USB stick extracting its files to the folder C My OptoGait Test Press lt Import gt browse to the drive of the USB stick in the following example J and select the file Test_TeamXYZ OGN double clicking on it Microgate Srl Pag 95 di 133 EYMICROGATE OPTOGAIT E Database OptoGait Gale gt computer USBKEN GI SE Organize New folder Ss
18. it will be created for you To continue dick Next Save files in folder C Users SANDRO 1 B7M AppData Local Temp OptoGait Change The installer will guide you through the steps required to install OptoGait on your computer WARNING This computer program is protected by copyright law and international treaties Unauthorized duplication or distribution of this program or any portion of it may resultin severe civil or criminal penalties and will be prosecuted to the maximum extent possible under the law Figure 2 Installation welcome In the next window you can insert a folder where the software will be installed Microgate Srl Pag 13 di 133 EYMICROGATE OPTOGAIT If you want everyone with access to the computer to be able to use the product select Everyone otherwise select Just me We advise you to leave the folder unchanged and select Everyone Click on lt Next gt to continue Il OptoGait T E OP TOG The installer will install OptoGaitto the following folder To install in this folder click Next To install to a different folder enter it below or click Browse Folder C Program Files x06 j Microgate UptoGaith Install OptoGait for yourself or for anyone who uses this computer Everyone 5 Just me Figure 3 Installation data insertion The next window offers to launch software installation If all the data is correct click on lt Next gt
19. 073 0 007 CV 9 6 mH Dm IT ees Left LU 0 290 0 006 CV2 1 frei Right 0 28920 006 CV2 1 fmi Dif aas tt Contact Phase Propulsive Phase Stride Angle Speed parameters Speed m s Left 0 063 0 007 CV 11 1 pumn Right __0 05840 007_ CV12 1 mm M DIO E tt Left 0 1460 007 CV 48 Right 0 14240 007 CV 4 9 Diff 2 L__ Left LL nn CV 5 0 mmm Right 0 089 0 004 Cu 4 5 pumn D tt lt Left 0 8 0 2 CV25 0 Jmm __ Right 0 7 0 1 CV 14 3 me pm P12 O_O Left 1 1 579 0 283 CV toen Right 1 388 0 248 CV oe OOOO O O Pif P12 m ___ 3 11 0 06 CV 1 9 fmm Right 3 0020 05 CV 1 7 fusi el pia A Average Speed m s a 3 06 0 08 CV 2 6 jme In Tapping Tests four pages may be scrolled e Left and right foot results e Left foot results e Right foot results e Comparison between right and left foot Microgate Srl Pag 69 di 133 G YMICROGATE At the bottom of the data some statistical data are calculated Minimum Value Maximum Value Average Standard Deviation 0 Coefficient of Variation CV ratio of the standard deviation to the mean In some test type values are calculated for each foot left amp right ei Minimum Maximum Figura 63 Calculated statistical data Avg Std Dev CV Avg L Avg R L R CHL 24 0 062 8 0 374 8 17 2 8 0 282
20. 49 0 84 10 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 Tf not vaild 0 007 5 428 11 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 8 L 0 021 0 462 0 1 0 53 2 07 12 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 Time out 1 284 13 Rossini Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 1 L 0 194 4 6 14 Rossini Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 2 R 0 469 0 107 27 60 76 1 74 15 Rossini Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 3 E 0 221 0 072 6 21 75 3 41 16 Rossini Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 Tc not valid 0 179 0 06 3 9 17 Rossini Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 4 L 0 22 0 067 5 9 22 56 3 48 18 Rossini Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 Tc not valid 0 158 0 037 3 1 Paolo Rossini Paolo 19 08 1983 M 0 SKITEST 15 SEC 15 03 2011 14 50 28 5 L 0 225 0 065 6 2 24 09 3 45 19 Rossini Figure 85 Export result in Excel with the Extended version It is also possible to export ONLY the selected tests in OJN format a compressed file containing the database as well as video and images Choose the required tests press the
21. Hide Video 0 CR Eee Video Show Hide 3 Play 8 Single Continuo Overtay 3 Show Hide Q 3L 0 873 64 5 0 495 35 6 0 439 32 4 0 434 32 1 0 219 16 2 0 215 15 9 i ee be g 4R 0 912 67 0 0 439 31 8 0 481 35 3 0 431 31 6 0 658 0 215 15 8 0 216 15 9 n 1 37 ne i 5L 0 879 63 9 0 481 35 5 0 450 32 7 0 429 31 2 0 696 0 216 15 7 0 213 15 5 51 1 35 DI Minimum 4 0 873 84 0 439 4 0 439 85 0 431 84 0 658 Ia 0 215 4 0 215 85 a 85 13 e Maximum 3 0 940 83 0 495 3 0 495 3 0 445 3 0 721 3 0 226 3 0 219 84 73 3 1 3 e Avg 0 908 65 7 0 472 343 0 472 34 2 0 437 322 0 692 0 220 16 3 0 217 159 65 437 DI Std Dev 0 034 2 2 0 029 2 2 0 029 25 0 007 0 2 0 032 0 006 0 2 0 002 0 0 12 0 01 EI Avg L 0 873 644 0 488 35 6 0439 324 0 434 321 0 709 0 219 16 2 0 215 159 61 1 9 e AvgR 0 926 68 2 0 439 31 8 0 488 35 9 0 438 323 0 658 0 221 164 0 218 159 73 1 37 8 L Ra 5 1 10 0 11 2 0 9 71 0 5 14 19 7 4 5 ELE 4 LU ee Se SE e E SE SE SE See GE ele CELE EOE e Z GEE VeRO SESE CSE EEE Figure 58 Display 10 events at a time and take 3 of them into consideration blue window Microgate Srl Pag 65 di 133 EYMICROGATE OPTOGAIT e Data o Data shows hides the grid with numerical data o Bars shows hides the OptoGait bars o Video shows hides the acquired video o Play you can play Single only once or Continuous looping the test o Overlay using graphical too
22. above e Reaction time range ms indicates the time frame in milliseconds within which the reaction signal must be given randomly Microgate Srl Pag 46 di 133 EYMICROGATE OPTOGAIT 4 2 2 4 SPRINT AND GAIT TEST Main Parameters e Start type Indicates if the start of the test must take place with a status change i e entering or exiting the bars or with an external impulse coming from the jack sockets e Start indicates if at the beginning of the test the patient must be inside the area of the bars or outside the area e Starting foot if known the foot with which the test starts right or left can be indicated otherwise leave as not defined e Stop type Indicates how the end of the test must be interpreted i e as external impulse like a photocell at the end of the lane or as timeout the number of milliseconds of Test timeout can be customized in Utility Basic Configuration e Finish for the Stop type Timeout it is necessary to specify if at the end of the test the patient must be inside the area of the bars or outside the area e Test length appears only if Stop type End of Time and specifies how many minutes seconds the test must last 00 01 to 09 59 e Number of intermediate times Indicates how many intermediate times are inserted between the start and the stop 0 to 99 Secondary Parameters e Minimum contact time ms see ab
23. area there is a list of images added to the report in chronological order each one having two icons edit and delete for editing captions and notes and for deleting images from the report The order of appearance can be changed selecting the photo to be moved a selected picture has a black frame and clicking lt Move up gt or lt Move down gt in the left button bar PATIENTS TEST D Title of Image 1 OPTOGRIT vm e pm Data Test Data Show Hide Data Show O Hide Page Run Data Gait Data Gait Report Charts Flight times Show Hide Contact times Show Hide Height Show Hide Speed Show Hide Peer Show Hide Step Show Hide Stride Show Hide Pace Show Hide Stride angle Show Hide Imbalance Show Hide Step times Show Hide Double Support Show Hide Lorem ipsum dolor sit amet consectetur adipiscing elit Sed commodo velit eget est adipiscing semper et in arcu Quisque scelerisque nulla eget dui feugiat in tincidunt ante ultricies Duis tortor magna tincidunt eget rhoncus eget rhoncus id nibh Aenean dignissim ullamcorper iaculis Donec blandit vehicula aliquam Praesent egestas lobortis ante Curabitur eleifend euismod magna viverra mattis magna aliquam id Sed porta risus sed erat scelerisque eu ornare urna gravida Sed sagittis dictum Vivamus velit diam tincidunt at lobortis malesuada mattis
24. can only be inserted one way round If you find that the cap will not go in turn it 180 DO NOT force the cap if insertion is difficult you run the risk of bending the connection pins Figure 15 Cap mounting Figure 16 Inserting with light pressure To remove the cap grip the two side tabs and pull upwards symmetrically Alternatively you can firmly hold one of the 2 bars down and carefully lift the other until the cap comes off Figure 17 Cap removal Figure 18 Alternative method for removing the cap A Do not touch simultaneously the additional bars connectors or the bars and the patient Microgate Srl Pag 22 di 133 GYMICROGATE OPTOGAIT e Connect the USB cable from interface Tx to the computer USB port The USB port on the computer is marked with the symbol P Figure 19 PC connection e f more than three OptoGait meters are used three Tx bars and three Rx bars we recommend you use the adaptor e Switch on the OptoGait device e Check that the bars are correctly positioned Tx LED green LED status i e green no LED interrupted e red at least one LED interrupted Figure 20 Led indicator If the software is being installed for the first time or being re installed the operating system will load the correct driver see section above At this point the OptoGait device is ready for use If other bars are connected remember to switch the device off and switch it back on
25. f 3 4 20 6 6 3 R 10 9 10 97 0 633 0 297 6 1 0 6 9 4 dt Delta 9 4 d Dik 1 0 5 3 31 0 119 1 67 1 26 0 Figure 115 Drift protocol report output Microgate Srl Pag 118 di 133 EYMICROGATE OPTOGAIT 6 2 FIVE DOT DRILL PROTOCOL The Five Dot Drill protocol exercise with 5 circles is a very well known and popular test in the United States for improving ones agility and rapidity Draw a rectangle of 60x90 cm 2x3 ft and place five circles of 10 cm 4 each inside it as shown in the picture Alternatively you can buy a nonskid mat from the famous chain BFS Bigger Fast Stronger developed especially for this test and contributing to its standardization Place the two OptoJump Next bars outside the longer side of the rectangle with the drum at the test entrance 60 cm 2 TE 4 w 9g _5 gt 10cm e gt Figure 116 5 Dot Drill circuit and positioning of bars The protocol is made of 5 different exercises to be carried out 6 times WITHOUT PAUSES The main test output is the TOTAL time of all 5 exercises and this is why they must be executed as fast as possible Microgate Srl Pag 119 di 133 EYMICROGATE OP TOGAIT The 5 tests are carried out as follows a video explaining the exercise is available on our website Up amp Back 1 Start with feet on A and B 2 Jump rapidly with both feet on C 3 Jump putting one foot on D and one on E 4 J
26. from the ground called First T Flight of the two tests is very important Besides the above described commands lt Set Start gt lt Set Stop gt and lt Reset gt there is also the lt Synchro gt command Press this button to set the point on which the two tests should be synchronized For example search for the First T Flight with the command lt Search Parameter gt and press lt Synchro gt Move the cursor of both tests slightly backward and press lt Set Start gt Move it slightly forward after the yellow Synchro marker and press lt Set Stop gt Microgate Srl Pag 81 di 133 EYMICROGATE OPTOGAIT A range to be analyzed has been set and the two tests will be synchronized on the point of the yellow marker i e when the two patients begin the test Another use of the lt Synchro gt button is to synchronize the two tests on a precise instant e g 10 seconds after the beginning of the test Set the yellow marker at 10 seconds for both tests set the start with lt Set Start gt of the Red Test at 6 seconds and of the Blue Test at 8 seconds Pressing the play button will play the Red Test only until the 8 seconds are over At that moment the Blue Test will start and the two tests will play in synchronization until the end or possibly until the point chosen with lt Set Stop gt NB when you press lt Synchro gt lt Set Start gt or lt Set Stop gt make sure you have correctly positioned the two tests at the time c
27. is the time between the end of the test and the end of video acquisition i e a certain number of extra seconds are recorded after the end of the test e Acquisition Format allows you to choose the format for saving videos which can be in ASF more compact and compatible with Windows Media Player or AVI also compatible with other players but less efficient compression 4 4 1 5 SPRINT GAIT TEST CONFIGURATION The configurations of this test type include e Direction of entry allows you to indicate if the Running Gait entry direction is from the interface side drum or from the opposite side If automatic is chosen OptoGait automatically calculates the direction considering the LED nearest the center of the foot as the beginning of the LEDs e Test timeout ms this is the test end timeout in milliseconds if during a test with Timeout stop type no input or output signal is received from the measurement area by the OptoGait device for a period longer than or equal to the time set here the test is considered completed e External signal holdoff ms is the holdoff time between two consecutive external signals Caution has to be applied for this value because it may depend on the type of test being carried out e Step length calculation allows you to choose whether to calculate step length as the distance between the tips of two successive feet or as the distance between the heels of two successive feet
28. or more tests in the grid and press lt Confirm gt 2a Asan alternative to the selection of a number of tests it is possible to select a pre defined protocol Click the green lt Select gt button under the Protocols box select the macro typology and click on one of the protocols followed by the lt Confirm gt button It is not possible to select more than one protocol at once When the protocol has been chosen the test list is compiled with the tests that define the protocol 3 Check the configuration by pressing lt Configure gt see chap 4 2 1 1 Execute Configuration 4 Execute the test by pressing lt Execute gt or lt Repeat gt if a test has already been performed 5 Wait for activation of the Webcam if installed and the sound signal that gives the all clear to perform the chosen test 6 Follow the instructions at the bottom left which depending on the test definition will tell you to enter or exit the test area i e the space between the bars 7 Save the test performed with lt Save gt watch the video again with lt Review gt or cancel the test with lt Cancel gt Press lt Repeat gt to have the patient repeat the test without moving to the next test or the next patient If lt Repeat gt is pressed before saving the test will be deleted Press lt Insert Note gt to add a note to the test that has just been completed Microgate Srl Pag 35 di 133 EYMICROGATE OPTOGAIT Test cycle
29. set a maximum flight time in milliseconds if the flight time is higher it is considered incorrect This is for example useful for a round trip test where the patient exits the measurement area turns around and enters it again The Microgate Srl Pag 86 di 133 G YMICROGATE OPTOGAIT time for changing direction would be considered an abnormal flight time this parameter allows you to prevent this 4 4 1 3 REACTION TEST CONFIGURATION Reaction time configurations include e Reaction time range ms indicates the time frame in milliseconds within which the reaction signal must be given randomly e Acoustic signal type allows to choose whether to generate the acoustic signal using the sound card which may not be present or the internal loudspeaker generally always available in personal computers 4 4 1 4 VIDEO After connecting the webcam s to the PC USB port and installing the drivers the video camera can be tested Under the heading Video select a Logitech webcam from those available and press lt Test gt The choice of webcams has been limited only to high range Logitech webcams to prevent synchronization problems between OptoGait and video data Webcams by other manufacturers are displayed in gray Figura 87 Webcam choice 4 4 1 4 1 Video Test After pressing lt Test gt the webcam configuration panel in basic mode with the commands for changing gain and exposure shutter time is displayed For bet
30. time ms Minimum flight time ms Maximum Flight Time ms Not defined Figure 37 Test Definition Parameters Next have the patient perform the test Three Jumps The single test having inherited the values from its type has the parameter 80 ms Opening View Test chap 4 3 1 and pressing lt Settings gt the following window is displayed Microgate Srl Pag 41 di 133 EYMICROGATE OPTOGAIT Smith John THREE JUMPS 02 06 2010 15 56 25 Minimum contact time ms Minimum flight time ms Maximum Flight Time ms Starting fool Not defined we Figure 38 Single Test Definition Settings However it might be necessary to change the parameter ONLY for this single test Insert for example 75 ms and press lt OK gt or lt Apply gt After all values have been recalculated the data in the table with the numeric results and the charts will change If the results are acceptable confirm by pressing lt OK gt and answer lt YES gt when asked to save the data the difference between OK and Apply is that lt OK gt asks to confirm saving the new parameters and closes the function whereas lt Apply gt does not close and allows to further adjust the parameters If now the correct value proves to be 75 ms all future tests should have this value the parameter has to be changed in the test definition Minimum contact time ms imam same e Maximum Fight Time fs D Figure 39 Parame
31. toe contact sequence of the foot and continues with a Swing phase where the foot is suspended and proceeds in the air on average the stance phase accounts for 60 and the swing phase for 40 Microgate Srl Pag 106 di 133 GYMICROGATE OPTOGAIT Figure 108 Gait Cycle Stance amp Swing Each gait cycle consists of two phases where both feet are in contact with the ground called Double Support The first Double Support DS1 in Figure 107 Gait analysis terminology referred to the right foot is also called Load Response whereas the second DS2 is called Pre Swing When only one foot is in contact with the ground this is called Single Support A amp Single Support Stance Phase Swing Phase Heelstrike Toe off Heelstrike Figure 109 Stance and Swing Phases The definitions of Step and Stride correspond respectively to those of Step and Stride explained in the section above Microgate Srl Pag 107 di 133 EYMICROGATE OPTOGAIT Run Data Columns TExt s External time available only for external impulse This is the time between the event start stop of the impulse and the entry exit into from the OptoGait bars it can also comprise split times Time s progressive time split from the test beginning Distance cm progressive distance walked run by an patient TCont s Contact times TFlight s Flight times Height cm or in Variation of the center of gravity he
32. 0 81 11 44 5 5 Average Height jumps 3 4 cm 11 2 12 1 T 65 Ski Test15 sec L R Delta Average Contact Time s 0 552 0 554 0 4 Average Flight Time s 0 118 0 106 10 2 Acoustic Reaction Single leg L R Delta Average Reaction Time s 0 676 0 641 5 9 Figura 120 Output of the Report Microgate Srl Pag 123 di 133 Eg MICROGATE OPTO The Knee angle parameter is an index which can be derived manually from a video still image Once the parameter with had been defined using the dedicated graphic tools the value can be entered to the Indexes section and will be showing in your print Example Expand the GG protocol find the SquatJump 2 Legs test and display it as a single test TEST LIST Name Test Date rd a Rossi Pierluigi 5 Dot Drill 16 03 2011 15 35 18 3 z Rossi Pierluigi GG Protocol 16 03 2011 15 00 13 k TREADMILL WALKING 3MPH OR 5KM H 16 03 2011 14 55 15 F SQUATJUMP 2 LEGS 5 JUMPS 16 03 2011 14 57 53 SQUATJUMP LEFT LEG 5 JUMPS 16 03 2011 14 56 15 F SQUATJUMP RIGHT LEG 5 JUMPS 16 03 2011 14 56 31 ld SKITEST 15 SEC 16 03 2011 14 56 46 la ACOUSTIC REACTION LEFT LEG 16 03 2011 14 59 19 el ACOUSTIC REACTION RIGHT LEG 16 03 2011 15 00 13 T k Rossi Pierluigi Drift Protocol 16 03 2011 09 56 16 19 Su Find the desired spot in the video double click on the video and enter Video Analysis With the Line Angle Right tool draw two lines and read the value of the angle measure
33. 056 D 045 Sin Q 0 038 Sir 040 Dx 19 0 364 20 0 016 20 0 0 wm Barra N 1 Figure 126 Ski Test results with separate times for right and left foot Microgate Srl Pag 129 di 133 EYMICROGATE OPTOGAIT 7 TECHNICAL DATA 7 1 TECHNICAL DATA TX RX BARS External power supply range of measurement from 1 to 10 m Sensor height from the optical center of the sensor to the 3mm lower edge Time accuracy 1 millisecond e Max distance between transmitter Tx and receiver Rx Weight of additional Tx and Rx bars 1 5kg Microgate Srl Pag 130 di 133 EYMICROGATE OPTOGAIT 7 2 PC MINIMUM REQUIREMENTS A regular desktop or notebook PC with Microsoft Windows XP Sp3 Vista Sp2 or Windows 7 is usually enough for running the OptoGait software without any problems We recommend to perform a Windows Update before setting up the software Minimum hardware requirements MINIMUM SUGGESTED Operating System Microsoft XP SP3 Vista 7 32 or 64 bit CPU Atom Centrino i5 i7 RA 2 GB 4 GB Hard Disk 40 GB 160 GB Graphic Board Integrated Dedicated 512 Mb or higher Display resolution 1024x600 1600x900 or higher USB Ports 1 3 OptoGait 2 webcam On lower performance PCs or not particularly powerful PCs e g netbooks it is anyhow possible to run the software but refraining from using real time viewing via the webcam the video is recorded and saved anyhow and can be viewed late
34. 33 EYMICROGATE OPTOGAIT 5 1 3 SPRINT GAIT TEST The following are some useful definitions to explain the values displayed on the table with numerical data Step the distance between the tip toe of two subsequent feet or the distance between the heel of two subsequent feet depending on the settings in the parameter Step length calculation see chap 4 4 1 5 ood S Ki Figure 98 Step definition Stride the distance between the tip of two subsequent footprints of the same foot or the distance between the heel of two subsequent footprints of the same foot depending on the settings in the parameter Step length calculation see chap 4 4 1 5 Stride heel Stride toe Figure 99 Stride definition Speed is the relation between the distance between the two feet and the sum of the first Contact time Tc and the Flight time Tf Microgate Srl Pag 101 di 133 EYMICROGATE OPTOGAIT L V en To T Figure 100 Speed calculation Acceleration is calculated as the relation between speed delta of the two steps and the sum of the contact and flight time Tr p Tr To Ta bb a L ___ gt Mm _L Figure 101 Acceleration calculation Vo Vy Qa _ _ __ a Toi Tyi Te2 US Stride Angle This is the angle of the parable tangent deriving from the movement of a stride L stride length h height to which the
35. 6 103 201 4 76 1 702 Visi a Leschteg K 6L 0 964 541 0 119 0 075 0 7 6 44 3 81 125 228 5 15 1 264 24 427 nergy J Kg 0 759 Q TR 1 169 672 0 130 0 094 1 1 am 1 42 131 256 4 46 1 894 F 8L 1 388 814 0 125 0 084 0 9 6 79 2 18 142 273 4 78 1 396 6 154 Q 9R 1 601 957 0 129 0 098 1 2 6 30 1 13 143 285 4 41 1 886 K 10L 1 823 1118 0 124 0 099 1 2 Ad 2 04 161 304 4 48 1 710 3 488 Q 11R 2 054 0 132 Figure 103 The three reference indexes in the lower left part Of course it is possible to change the three speeds of reference as for any other secondary parameter in any single test of a certain type or in general see chap 4 2 2 1 ord step speed reference ms step speed reference m s Take first step Figure 104 Input of 3 speeds of reference Microgate Srl Pag 103 di 133 g E ki E amp EYMICROGATE OPTOGAIT 5 1 5 IMBALANCE INDEX The Imbalance Index column Imb in sprint tests Run Data is an indicator of running asymmetry between the right and the left At first a linear interpolation of two supports the same type can be assumed Consequently the contact time of an ideal athlete s support would be halfway between the previous and the following whereas in a real run there will always be a certain difference the deviation between two times indicating asymmetry After having calculated the difference between ideal and real time the relation between the difference and the i
36. AIT e Change starting foot allows you to set the right foot or the left foot as starting foot It is very useful to use the video to discern with which foot the patient has started If you do not have video recordings and you do not remember the foot specify Undefined Microgate Srl Pag 71 di 133 EYMICROGATE OPTOGAIT 4 3 1 4 START FOOT The Starting Foot can be defined during the creation of a test see Define Modify Test or afterward keeping it as not defined during the analysis Sprint and Gait Test on modular systems Starting outside the test area the starting foot is the first one to touch the ground inside the area Starting inside the test area the starting foot is the one with the first contact after the beginning of the test Assigning the starting foot after a test has been carried out is done in the Results area From View open the Configure menu select First Contact Time from Parameter Research and viewing the first contact time from the Data window right click on the relevant line At this point select Change starting foot from the displayed menu and make your choice e g In the following picture the athlete enters the Optojump test area with his RIGHT foot as you can see in the video and then using the menu it is possible to assign that foot confirmed by the green footprint below Ti Restore Row Delete Row Delete TCont Delete TFlight ee Show marked rows L
37. Case Studies and Test Tipologies 21 05 2009 Some interestingcase studies of several sports and samples of test tipologies are published User Manual 1707 2009 English User Manual now available Microgate Systems at Li Ning s CBDC 4th edition 22 04 2009 Optojump Next was used for evaluating professional youth players come from clubs in CBA chinese basketball association during one of the greatest b ball training camp in China Figure 8 First page The interface with which the OptoGait system is managed is divided into three main sections Patients Tests and Results 2 3 PATIENTS This is the section where the patients profiles are created and stored A profile can contain all sorts of information personal data notes patient s photo etc Each patient can be added to one or more groups or subgroups Therefore the Athletes Personal Data can be fully customized and adapted to the user s requirements and imported and or exported from to other programs or formats xml Excel etc Microgate Srl Pag 17 di 133 EYMICROGATE OPTOGAIT 2 4 TEST This section is the software s nerve center It is accessed to devise and configure new tests jump reaction running etc and to perform tests by choosing from the pre defined tests or those created by the user It is furthermore possible to group several tests protocols if this is useful for measuring particular capacities or conditions some protocols are alrea
38. DMILL GAIT TEST Main Parameters Start type this can only be Software command Stop type this can only be Software command or End of time Test length appears only if Stop type End of Time and specifies how many minutes seconds the test must last 00 01 to 59 59 Treadmill speed indicates the speed in km h the treadmill is set at the setting range is 0 1 20 0 km h with steps of 0 1 Direction Indicates if the walking direction is Interface side or Opposite side Therefore if the interface drums are at the end of the treadmill choose Opposite Side or vice versa Microgate Srl Pag 50 di 133 G YMICROGATE OPTOGAIT Figura 44 Direction OPPOSITE Side Figura 45 Direction INTERFACE Side Secondary Parameters e Minimum contact time ms see above e Minimum flight time ms see above e Maximum flight time ms see above e Step length calculation see above e Minimum step length cm see above e Minimum foot length cm see above e Automatic Data Filter from 10 to 90 default deactivated activating this parameter the user can check if the values for flight time contact time gait time swing time and step length are within the average value the chosen percentage If one of these data is out of range the table line will be deleted from the calculation of average values and the values on the grid will appear in strike through format e g average 0 8 f
39. Export button and choose the option OJN ExcelXML Extended ExcelXML Simple OGA Database Video Images Figura 86 Export Formats Microgate Srl Pag 85 di 133 EYMICROGATE OPTOGAIT 4 4 UTILITY 4 4 1 BASIC SETTINGS The Basic Configuration section includes the following items 4 4 1 1 GENERAL e Language the language can be changed at any moment during the execution of the program Select the desired language from the drop down menu and press lt Save gt e Unit of Measurement allows you to set the unit of measurement type for viewing test output values In particular i SII I RZ I m w m 6 J Specific energy J kg J kg Step amp Stride ft inch decimal Table 1 Units of Measurement 4 4 1 2 JUMP TEST CONFIGURATION The flight and contact time configurations include e Minimum contact time ms allows you to set a minimum contact time in milliseconds if the system registers a contact time shorter than this value it is considered incorrect and added to the associated flight time usually the previous one This control can be enabled disabled by inserting the value O e Minimum flight ms allows you to set a minimum flight time in milliseconds if the system registers a flight time shorter than this value it is considered incorrect and added to the associated contact time This control can be enabled disabled by inserting the value O e Maximum flight time ms allows you to
40. FFNESS 08 06 2010 15 32 54 SE 5 CMJ 08 06 2010 15 32 37 gt eg Balzi CMJ 23 04 2010 16 26 45 Lo lei E Figure 49 Expanded Protocols List Choosing Analyses all saved analyses will be viewed with the saving date which can be much later than the execution of the analyzed tests ANALYSIS LIST E j Test Postinfortunio John Smith 23 04 2010 16 00 20 R outs Stifness di Rossi Pierluigi 25 04 2010 15 59 36 III f Figure 50 Saved Analyses To look for a patient or a test protocol the data can be inserted manually into the search boxes e g key in Rossi in the Patient field or CMJ in the Test field or press to display a list of patients or tests to choose from Similarly it is possible to filter by data by inserting a range of data with the calendar control To view all the tests and reset the various filters press lt Delete filter gt Microgate Srl Pag 57 di 133 EYMICROGATE OPTOGAIT Test List Sort by Select All Delete All d Finesse Charles 3 SAUTS 26 05 2010 15 38 49 F K VE ES Select for Delete e Huber Franz STIFFNESS 23 04 2010 10 15 24 Te Analysis 2 Huber Franz SQUATJUMP 23 04 2010 10 07 00 k Ge dof Rossi Pierluigi GaitRiz 03 06 2010 11 35 25 hd Rossi Pierluigi 15 sec jumps 23 04 2010 15 43 18 gt Figure 51 Test List Components Click on the column names Patient Test Data to display the list in order according to that field Press again to revers
41. Foot 2 Co Co ci Lo dra Starting Foot 1 eJ RIGHT oo In the round trip used in modular systems assigning a maximum flight time lower than the time it takes the athlete to turn around in the test area the there footprints are deleted and substituted with the back footprints Therefore set the maximum flight time based upon one s needs i e if the there and back footprints are to be left superposed as shown in the figure or the previous ones deleted Figure 69 There and Back footprints 4 3 1 5 VIEWING OF THE OPTOGAIT BARS The OptoGait bars allow you to view afterwards the LEDs that have been interrupted in red and if a starting foot has been set to view the footfall thanks to the graphical footprints The footprint length is directly proportional to the number of interrupted LEDs Similarly the labels of the numerical data chart and row values always display which foot they are referring to Microgate Srl Pag 75 di 133 EQMICROGATE OPTOGAIT Q 1R 0 283 by d 2L 0 245 9 F ER 0 203 F AL 0 199 Ca 5R 0 194 F 6L 0 202 Ca TR 0 179 P Time out 3 000 H Minimum 7 0 179 CH Maximum 1 0 283 i Avg 0 215 H Std Dev 0 036 Avg L 0 215 OZ Ava R 0 215 AA A lt 4 Figure 70 Indicating the foot on charts tables and bars When watching a run gait video of a modular system composed of many meters as the time progres
42. LL LLL HFC OOF Change starting foot gt Undefined EE SE See ee a Leit foot A A tt Mh iif LAA III Right foot Figure 65 Sprint and Gait Test assigning the starting foot Should you realize that the assigned starting foot is wrong just follow the above stated procedure and switch the selection Microgate Srl Pag 72 di 133 GQMICROGATE OPTOGAIT Treadmill Running Test and Treadmill Gait Test In this case the foot touching the ground after the START command is assigned as starting foot If the START is assigned during a double support as occurs quite often in Gait Tests the starting foot is the one in front on the Treadmill Assigning the starting foot before the test is of utmost importance when using OptoGait together with a surface electromyography in which case the EMG software needs to know the startin foot beforehand Figure 66 Defining the starting foot right foot pressing START at this moment A CAUTION When mounting the bars on the treadmill ensure that vibrations caused by walking running do not move or make the bars fall down or onto the mobile area Microgate Srl Pag 73 di 133 EQMICROGATE OPTOGAIT Of course it is possible to do this afterwards using the same method described above for the Sprint and Gait Tests on modular systems even as regards possible foot assigning errors OPTOGRIT Bn ores me QUI reiege Rossini Paok 2 ST rane SE EE em 7 oe
43. NARI EE SISSA 0I9LR KI EEEE E E 0 170R TREADMILL GAIT LR o La Da Es DE Da IE sec i Protocol 11 k Q O 3R 0 136 O 4L 0 191 Repeat g 5R 0 190 Q 6L 0 152 Q TR 0 120 F 8L 0 223 Q 9R 0 157 O 10L 0 194 is PAL External 22 770 TN et gt Figure 33 ExecuteTo perform a trial it is advisable but not obligatory to follow the direction of the operations indicated by the red arrow at least the first time you enter this section The basic flow is e select the patient e select the test type using tests or protocols e optionally configure some viewing parameters e press Execute and have the patient perform the jump test or the running gait test e Save Cancel or Repeat the test Microgate Srl Pag 34 di 133 EYMICROGATE OPTOGAIT Let s look at an example 1 Choose one or more patients by pressing the orange button lt Select gt under the Patients box then tick one or more patients in the grid and press lt Confirm gt Shortcuts are possible using the lt Select All gt and lt Deselect All gt buttons whereas if the patient database has been organized in groups and subgroups a group can be selected with lt Select Group gt 2 Select one or more tests by pressing the green lt Select gt button under the Test box select one of the three test macro typologies Performance Gait Analysis Rehab to view the relevant test definitions then tick one
44. OPTOGAIT After inserting the data remember to press lt Save gt and return to the list of defined tests To review the parameters of a defined test pass over them with the mouse or double click on them this is equivalent to pressing lt Edit Test gt Editing a test definition is only possible if no tests using this definition have already been performed To delete a test definition select it from the list and press lt Delete Test gt all the tests connected to this definition will be deleted To duplicate a test definition useful for example if a left foot test has been defined and the same shall be applied to the right foot or vice versa select the test from the list and press lt Duplicate Test gt This creates a copy of the test which can then be renamed and fully edited The buttons lt Import Test gt and lt Export Test gt are for copying the definition of a test from one database to another Press lt Export Test gt and save the XML file on your hard drive Open another database or create a new one and press lt Import Test gt choosing the file previously saved The tests preconfigured by Microgate can be duplicated but not edited or eliminated Microgate Srl Pag 54 di 133 EYMICROGATE OPTOGAIT 4 2 3 DEFINE EDIT PROTOCOLS In this section the protocols to be performed can be defined or edited The protocols can be considered as a pre defined series of tests to be performed in sequence e g one G
45. OTES This function allows you to add a note which will be saved with the analysis This note DIFFERENT from a note added immediately after completing the test will be printed on the bottom line of the report in the provided section whereas the test note is printed on the first page with the General Data Warning the analysis note is saved with the analysis by not storing it you will lose it 4 3 1 9 SIGNATURE The signature works in a way similar to the notes e g Wario Rossi trainer The signature is printed on the bottom line of the report and saved with the analysis 4 3 1 10 PARAMETERS As explained in chap 4 2 2 1 secondary parameters can be customized for each test based on specific needs Microgate Srl Pag 79 di 133 EYMICROGATE OPTOGAIT 4 3 1 11 USING MARKERS In a test analysis other markers besides Set Start and Set Stop can III 00 08 22 be added in certain spots of the video associating them to a note wm Glee GE mem gu or a comment The marker list which can be created edited and deleted freely is also printed in the report showing minutes and comments Press the lt Markers gt button from the menu to the left of the screen Set the video to the required frame using the arrow or CTRL arrow keys and press the button lt New Marker gt in the pop up add a note or a comment for the instant marked by the marker Insert a note Figure 76 Creation of a new marker N marke
46. To eliminate him her press lt Delete Patient gt WARNING When deleting a patient all his her tests protocols and analyses will be deleted without any possibility to restore them To insert a patient into a group select from the list press lt Add to a group gt select the group to insert him her in possibly using the right arrow to select a dependent subgroup and press lt Add to a group gt again Press lt Back gt to return to the patients list For the management of groups and other ways of associating with groups we suggest you read the next section By pressing lt Export gt patients personal data can be exported to a file with the extension xml which can be used with Excel Excel XP versions 2003 and 2007 or with other programs Microgate Srl Pag 30 di 133 EYMICROGATE OPTOGAIT 4 1 1 2 IMPORTING AND EXPORTING PATIENTS PERSONAL DATA EXCEL Once compiled in OptoGait the Patients Personal Data can be exported into an Excel compatible format KML Spreadsheet 2003 Press lt Export Export List List gt and specify the name and location of the XML file If you have Microsoft Excel installed on your computer double click on the file icon to Importlist launch the program and view the columns with all relevant patients data If you already have a patients list created with another i e Filename Anagrafica OJ xml software it can be imported with OptoGait Next aasa Save as type AML Spreadsh
47. Video gt wait for the Live image to appear frame the patient and press lt Acquire gt 4 1 1 1 PATIENT DATA INPUT MASK To edit the data of a stored patient select him her with the mouse and press lt Edit Patient gt in the Patient Data mask fields may be edited and saved or cancelled going back to the list Furthermore three buttons allow the user to view tests protocols and analyses of the current patient actually a filter is created as explained in section 4 3 1 The command lt Capture foot gt measures the foot in cm i e in number of LEDs which are then converted into centimeters or inches according to the unit of measurement used Click Figure 31 Command in the Edit panel the button position one foot inside the bars parallel to them and click on lt Confirm gt After a few seconds the measurement is displayed and can be confirmed or repeated The measurement essential for the treadmill tests is useful only with the 1 cm OptoGaitNext version as the resolution of the 3 cm version is too low to give a reliable value e g depending on how the foot is placed the measurement can vary from 15 to 18 cm The value is saved in the database associated with the patient and is displayed in the mask the editable field foot is only for personal data and can be used to write the measurement in any unit e g 41 EUR 7 US 8 UK etc In the patients list the following commands are available
48. a 50 4227 Ippica 52 4 228 Vertec EC inni ian 53 4 2 3 Define Edit Protocols iii ieri rei 55 AS E TA AIAR ASI ri 56 dii Nba a 62 WC Da DK ge uh dE EC ee NEE 64 dll 66 4 3 1 3 Table with Numerical Data 67 Aaa EAE POO arcade act ona ia swe see A I e eee 72 4 3 1 5 Viewing of the OptoGait Bars 75 der PI 77 45h SNEAD Iy E 79 43 13 AN SS NO Snai 79 EENEG 79 ALIO E E a NE E EAE 79 diblii E VKOT state 80 d52 ein e EE 81 4 3 2 1 Print Analysis Notes Signature 82 Aoa E e e EE 83 45 Erica 85 AA E e E 86 dll Basic SOUL MAES son nai TE EE AEAEE SEEREN 86 Microgate Srl Pag 3 di 133 GYMICROGATE OPTOGAIT GAL CEN E E EE E 86 TALZ Jami eT CRU 86 4 4 1 3 Reaction Test Configuration 87 AALA NO EE 87 4 4 1 5 Sprint Galt Test Configuration ccsisiessusscsessesiaach lt unnnecrasanncwnsnassdedaueveachauamneseananacunodons 89 AALO O E 90 dilg News amp Events licia 90 dd2 OT GAY TEL 91 dd AA SS acts E a AI RIA RI 92 44 33 Curent Database nici 93 445 Nr 93 AAS CR A TAR 94 4454 lei rr 94 4 4 3 5 MPOT PEVOU EE 94 4 4 3 6 EO i A E i i A T 94 4 4 3 7 polar 95 L43560 SN 98 444 e Te lee EE 98 POU EE 98 S is Cie IEN Tel UE 99 5 1 eekleg DI ee CN 99 SN DN E EU Rente e DEE 99 S52 J mpand TR CACO Testine 100 5 SPRINT 101 5 1 4 Reference desire 103 Bed MaN CEDE e E E E N E N E E NE AR 104 Sg GEIR PONV SIs DENO EE 106 SG Invalid Times ENEE En E 110 A VVAV aR R teu sacentrasceusesbeca
49. able this field contains the total power expressed by the patient during the test SpecificPower PatientWeight Microgate Srl Pag 63 di 133 EYMICROGATE OPTOGAIT At the top left see figure below is the command panel for checking test progress LTT LT alii mli ce ee Figure 56 Command panel From left to right the commands available are e Back to the start of the test e Back one frame e Play Stop e Forward one frame e Forward to the end of the test Move the progress bar slider by moving the cursor with the mouse Instead of the buttons Back Next the right and left arrow keys on the keyboard can be used to move forward backward by single frames The CTRL Right Arrow and CTRL Left Arrow can be used to move by a thousandth of a second 4 3 1 1 CONFIGURATION PANEL Pressing lt Configure gt displays the choices available Figure 57 Configuration Panel for the View test function Microgate Srl Pag 64 di 133 GYMICROGATE OPTOGAIT The lt Set Start gt lt Set Stop gt buttons are for defining the start and end respectively of the part of interest Place the cursor at the start and finish points of the desired movie clip and press lt Set Start gt and then lt Set Stop gt Thus a part of the movie clip is isolated deleting the uninteresting dead periods CA Press lt Reset gt to cancel the Start and Stop references and restore them to their initial values Double clicking a
50. action is necessary The video reproduction speed can be reduced down to a still image to view the video frame by frame A video analysis utility is also provided with traditional tools such as lines arches circles text ruler goniometer to measure angles and other In the Results section two or more tests can be compared Compare option using the video as well as the data having all necessary information at disposition This allows to quickly and intuitively carry out an analysis of quantitative and qualitative differences between tests carried out at a different time pre post rehab for example or between different patients healthy and rehab If more than two tests are to be compared the History function must be used which allows to select an infinite number of tests to verify the parameters indicated when a patient s progress must be measured constantly carrying out numerous tests All data numerical and graphical can be printed or exported to the most common formats 2 6 REPORT After having carried out and saved a test two reports are immediately available Gait Run Report specific report for gait or running tests with average values standard deviation and variability coefficient of all typical parameters for the left and right leg Furthermore any possible asymmetries and imbalances between the legs can be spotted instantly The same report type is available when selecting two tests allowing for a quick comparis
51. ait Test one Treadmill Gait Test one Tapping Test To create a new protocol press lt New Protocol gt Insert a mnemonic name and optionally general notes Select the tests in the desired order that will make up this protocol using the symbol O If a mistake has been made or a test has to be removed from the protocol use the symbol Q Name My Protocol Notes Notes about my protocol A ram sped imm a SC Figure 47 Creation of a protocol If you do not remember the parameters of a test definition place the mouse cursor on it and its characteristics will be displayed After inserting the data press lt Save gt and return to the previous section The command lt Edit Protocol gt allows you to edit its name and notes and change its composition lt Delete Protocol gt deletes its definition Unlike the deletion of a test definition the deletion of a protocol does not cause the chain effect deletion of all correlated tests but only the connection they had with the protocol After its deletion the tests performed by the patients will be found again as single tests no longer related to the protocol Microgate Srl Pag 55 di 133 G YMICROGATE OPTOGAIT 4 3 RESULTS View TEST LIST TEST ANALYSIS Data Test gt Protocols gt Smith John 10m OJN 28 05 2009 15 03 46 L Ze A IN i ne ORIILLE GN Analysis ore rom Filter by Sprint and Gait Test Figure 48 Resu
52. all LEDs of this bar can be taken into consideration again Microgate Srl Pag 91 di 133 EYMICROGATE OPTOGAIT 4 4 3 DATABASE OptoGait stores all data patients tests results settings etc in a database file Sql Server CE format with the extension SDF Most users can use a single file to store all information which by default will be called OptoGait sdf located in the following directory Documents Microgate OptoGait The name of this directory changes depending on the operating system used and the language but typing it in the address bar of an Explorer window will open the correct folder Some examples follow lt YourUserName gt is the user name for logging into Windows Windows XP in Italian C Documents and Settings lt YourUserName gt Documenti Microgate OptoGait Windows XP in English C Documents and Settings lt YourUserName gt My Documents Microgate OptoGait Windows VISTA 7 C Users lt YourUserName gt Documents Microgate OptoGait etc G QJ Ji AppData Microgate OptoGatt Organize e Include in library Share with e Burn New folder Name Date modified Type SIZE d 12 10 02 08 2010 15 26 File folder A Image 02 08 2010 15 26 File folder Video 02 08 2010 15 26 File folder Sy OptoGait exe config 02 08 2010 15 26 XML Configurati 27 KB GS OptoGart sdf 02 08 2010 15 27 SOL Server Com 1 004 KE Figure 92 Folder where by default all database settings video and image files
53. are also displayed By checking the various rows invalid flight and or contact times can be deleted See chap 5 3 In the bottom left area total test data is displayed such as e Effective time mm ss dd actual time of the test in the format minutes seconds and milliseconds this is the difference between the actual start of the test calculated from the first event eg the first take off from the ground and the end of the test e Total time mm ss dd total time of the test in the format minutes seconds and hundredths of a second this is the difference between the start of the test signaled by the acoustic signal and the end of the test If for example 10 seconds pass between the two start beeps and the end of the test and the patient begins to jump 3 seconds after the first beep the two values will be Total time 10 and Effective time 7 e Specific energy J kg specific energy produced during the test calculated with the following formula Ae g e Specific power W kg specific power expressed during the test calculated with the following formula 9 YT CLT XT Au jumps T Where T Flight Time T Contact Time e Patient s weight kg or lb patient s weight in kg or pounds e Total energy J if the patient s weight is available this field contains the total energy expressed by the patient during the test SpecificEnergy PatientWeight e Total power W if the patient s weight is avail
54. are located The subdirectory VIDEO contains the videos in asf or avi format depending on your choice in 4 4 1 4 acquired by the webcam The subdirectory IMAGE stores all still pictures bmp files with possible graphical notes and saves them via the module Video Analysis The videos are located in the database folder in the subfolder Videos The name of the videos is formed using the following pattern VideoX_DD_MM_YYYY_HH_MM_SS_ZZZZZZZZ ZZZZ ZZZ2 ZZZ1 1Z1Z7ZZZ2Z2 EEE Where e X webcam No 1 or No 2 e DD_MM_YYYY day month and year of acquisition e HH MM SS hour minutes and seconds of acquisition o ZZZZZZZZ ZZZZ ZZZ2 ZZZ2 ZZZZZZZZZZZZ series of univocal characters to avoid duplicates e EEE video format ASF or AVI Example Video1 02 04 2009 12 32 16 1f74d384 4a7f 4c5b a94c 1772fb608736 asf Microgate Srl Pag 92 di 133 EYMICROGATE OPTOGAIT Meaning Video taken by webcam No 1 on 2 4 2009 at 12 32 16 in ASF format The images analyzed still frames saved using the command Save images in report are located in the subdirectory Images and have the following similar format Image _DD_MM_YYYY_HH_MM_SS_222727777 27772 2222 LZ2L22 LZZZ27777777 EEE If there is an error when loading the database OptoGait will notify you of it at program startup suggesting you look for the database or continue In the latter case OptoGait will create a new empty database The software makes it possible to handle more databases
55. ate Srl Pag 99 di 133 EYMICROGATE OPTOGAIT 5 1 2 JUMP AND REACTION TEST TCont s Contact times TFlight s Flight times Height cm or in Height of jumps calculated with the following formula E h gt Power W kg Expressed power calculated with the following formula Te Te P g T Af c AT g gravity acceleration T Flight Time T Contact Time Rhythm p sec Rhythm expressed in jumps or steps per second Jumping Point cm This is the distance between the beginning of the bar drum and the middle support point In the case of jumps with both feet perpendicular to the bars it will show where the center of gravity is Jumping Point Gap cm Distance between the current centroid and the previous centroid i e how much the centroid is displaced with respect to the previous jump A value 0 indicates the perfect repeatability of a jump useful mainly for one leg jumps negative values indicate a displacement towards the drum to the left for example positive values indicate displacements in the opposite direction to the right in this figure in jumps with feet parallel to the bars indicate forward back displacements User area cm Difference in cm between the first and the last activated LED indicates how much the legs are apart ICH SI Jump tA BUT Oto Jump lt A gt Figure 97 Jumping point C Jumping point Gap D and User Area A Microgate Srl Pag 100 di 1
56. ble to use the History module also on a single test usually a run gait test where the starting foot has been set where it is possible to spot asymmetries between the right and left foot using the option Diff Microgate Srl Pag 83 di 133 EYMICROGATE OPTOGAIT 22 08 2010 14 27 55 2510312010 18 11 34 22 08 2010 14 27 44 15 05 2010 1222 17 Rossi asian eeeieie ici 15 9 15 72 1 25 CG Magus vs o EE i Pi Wat 22904120104 d E O JF Rossi P Fierluigi 1 15 03 2010 1 12 22 17 _ 0 088 H i _ e 99 25 Ser Figure 82 History Run Data 0 015 10 7 EE ri AU Cr edd hci id ii d SE ENA tem nee CMM dtd dem er E do le eee Dati Valor Medio cn Scelta Tutte Sinistro Destro Delta Rossi Pieruigi GAIT TREADMILL 5 KMH BAREFOO 04 08 2011 17 04 37 Figura 84 History of a single test for right left asymmetries Microgate Srl Pag 84 di 133 EYMICROGATE OPTOGAIT The lt Print gt option allows you to create a report to be printed or exported in pdf Excel Word or Html format 4 3 4 EXPORT To export data of one or more tests to Excel add at least one test to the TEST ANALYSIS table and press lt Export gt You will be asked whether you want the extended version for each row of data the test heading and the patient s data is repeated this is useful for pivot tables or the simple version only numerical data for the test A B c D E F Go
57. cation is very important and conditions the fields below which appear dynamically only after the type has been chosen from this drop down menu o Jump Test type of test that measures flight time and consequently height as well as contact time during a series of jumps in the former version this was called Contact Flight time o Reaction Times measures the reaction time to a visual or sound stimulus o Sprint and Gait Test test for the analysis of a run or walk in addition to flight and contact times step or stride length other indicative parameters are also registered in the former version this was called Walkjump Microgate Srl Pag 39 di 133 EYMICROGATE OPTOGAIT o Treadmill Running Test test analyzing running to be used on a treadmill in the former version this was called Rolljump o Treadmill Gait Test test analyzing gait to be used on a treadmill o Tapping Test frequency test registering separate data for each foot e Notes Mnemonic general notes on the test definition e Example movie with the webcam connected it is possible to acquire a movie clip that can be viewed in the future as a reminder Press lt Acquire gt to acquire the movie and lt Play gt to view it 4 2 2 1 MAIN AND SECONDARY PARAMETERS The parameters of a given test type are divided into Main Parameters and Secondary Parameters To switch from one mask to another press the corresponding button on the right Secondary parameters are the same
58. col Execution mode Microgate Srl Pag 126 di 133 GYMICROGATE OP TOGAIT At the end of the test a report can be viewed under Results showing the main values divided by leg and differences in SINGLE LEG 3 HOPS PROTOCOL 04 08 2011 16 33 09 Athlete Last name Birth date Weight Kg Foot size Discipline Single Leg 3 Hops Protocol Distance cm TCont s TFlight s Height cm StepL cm Speed m s Acc m s 2 Step angle deg Stride cm Pace step s Figure 122 Report Rossi First name 13 11 1977 Gender 68 0 Height 43 Sport Long jump L 346 0 288 0 398 19 4 115 1 94 0 36 30 460 231 1 46 Pierluigi M 178 Athletics Delta 9 5 3 1 0 9 1 8 9 5 10 7 0 4 9 8 10 0 1 8 Of course it is possible to see the details of a test by expanding the protocol and selecting View in a test or Compare to compare two tests Microgate Srl Pag 127 di 133 EYMICROGATE OPTOGAIT 6 5 VERTEC LIKE TEST This test allows simulating the use of the famous VERTEC tool to analyze vertical jumps with one arm extended A meter or two meters for athletes jumping higher than 100 cm can be attached to a wall with double sided adhesive tape or mounted on a tripod with fixing clamps It is important that the interface drums are positioned in the lower part and at the right height depending on the athlete s jump elevation The test is not compatible with OptoJump Next bars
59. consequat tortor Ut ligula neque placerat non suscipit sit amet bibendum nec turpis Fusce id condimentum tellus Vivamus ut ante vitae sapien consequat imperdiet Sed ullamcorper elit sit amet risus condimentum vel interdum eros consequat In sed adipiscing eros Nunc tristique ante nec imperdiet eleifend ligula sem pharetra libero ac rutrum dui elit vitae ipsum Praesent luctus mi eu arcu tempus in mattis risus elementum Praesent porta urna vitae accumsan Pag 114 di 133 Microgate Srl EYMICROGATE OPTOGAIT 6 DEFAULT TESTS AND PROTOCOLS Most tests are well known standard tests such as Squat Jump Stiffness Counter movement Jump for which it is enough to follow the instructions on the screen enter exit test area carry out a given number of jumps wait for sound signal at the end of the test etc In this section you will find default tests and protocols which might raise some doubts as regards their initial setup and execution Microgate Srl Pag 115 di 133 EYMICROGATE OPTOGAIT 6 1 DRIFT PROTOCOL The Drift Protocol is a test developed for verifying an athlete s or a patient s dynamic stability by having him her carry out 4 tests one after another on one leg measuring his her displacement drift on the vertical and horizontal axis Go to Test gt Execute choose an athlete and from the protocol list select Drift Protocol In the Test field the following sequence is automat
60. customized tests or protocols 1 1 2 TAPPING FREQUENCY TEST This type of test is ideal for exercises where separate results are required for the left and right foot e g tapping frequency test side movement walking on the spot etc 1 1 3 REACTION TEST This test detects the time between one optical acoustic impulse and the patient s movement It can be used to measure simple reactions or more complex movements Microgate Srl Pag 9 di 133 G YMICROGATE OPTOGAIT 1 2 SINGLE METER ON TREDMILL 1 2 1 GAIT ANALYSIS RUN ANALYSIS Positioned on the side bars of a treadmill OptoGait becomes a real portable lab for small spaces and with reduced costs The system is compatible with the wide majority of treadmills and no synchronization IS necessary to Start and carry out a test Microgate Srl Pag 10 di 133 EYMICROGATE OPTOGAIT 1 3 THE MODULAR SYSTEM In this configuration OptoGait allows to carry out 1 3 1 GAIT TEST Gait tests can consist of simple exercises moving from A to B but also of more complex ones such as roundtrip or walking backwards They can be more complex if needed adding obstacles e g plastic cones or actions to be carried out between the various gait phases sitting down and getting up before coming back for example or simultaneously 1 3 2 RUNNING TEST Running tests just like gait tests can be carried out either starting from a stand or running to analyze the various phases how th
61. deal time expressed in can be defined as imbalance index D i w x H de Imbalance Index AT IT 100 Figure 105 Definition of imbalance index Microgate Srl Pag 104 di 133 G YMICROGATE 0 199 L Figura 106 Example of imbalance in Microgate Srl OP TOGAIT far 1 894 at sA RR E A en A SS Wd fa LLL dex in Run Data Pag 105 di 133 GYMICROGATE OPTOGAIT 5 2 GAIT ANALYSIS DEFINITION Note The names of these measurements are used in English because the English terms are standard technical Gait Analysis terminology Terms such as Single Support Double Support Stance Swing etc are well known among professional therefore these terms are not translated in any language The following are some useful definitions to explain the values displayed on the table with numerical data Kn RIGHT CYCLE Se S Right Single Na 4 Left Single ps i Support Support ti Left Step Time Right Step Time NO CONTACT Right Stance Right Swing RIGHT FLOOR CONTACT NO CONTACT Left Swing Left Stance LEFT FLOOR CONTACT yer crue TIME Figure 107 Gait analysis terminology The Gait Cycle begins when the heel of one foot touches the ground and ends when the same foot after having executed one step is set down The cycle begins with the Stance phase the heel to
62. di 133 EYMICROGATE OPTOGAIT Figura 26 Power cables for various countries A When using an external power supply the device is disconnected from the power source pulling the plug A In order to avoid an electrical shock the device must be exclusively connected to grounded power sources A DO NOT use power supplies other than the one supplied with the product exclusively be carried out by authorized personnel OptoGait contains rechargeable Li lon batteries 1800 mAh Battery substitution must 3 3 1 OPTOGAIT BATTERY LIFE Battery life expressed in hours es Y a Dd a S 11 54 5 88 3 93 2 88 2 27 1 86 1 57 1 34 1 14 1 02 14 40 7 89 5 39 4 11 3 25 2 69 2 28 2 00 1 74 1 55 Microgate Srl Pag 26 di 133 EYMICROGATE OPTOGAIT 3 4 OPTOGAIT ELECTROMYOGRAPHY CONNECTOR OptoGait can be used as a virtual footswitch to be connected with EMG Electromyography devices In this mode OptoGait will send a continuous impulse when the feet of the patient are in contact with the floor Each foot will send a separate impulse if the starting foot is set in the options of the test so that the EMG device will be able to distinguish between them The OptoGait interface is equipped with a specific connection to enable the link with the EMG device The default connector on the connecting cable is a LEMO connector on the interface side and a 3 poles 3 5mm Mini Jack on the EMG side If you need another connector pl
63. dy pre configured e g for measuring reactivity and dynamic stability During the test the user receives three kinds of feedback in real time numerical graphical and video from one or two webcams If the starting foot has been previously selected the results are calculated assigning the values to the left or right leg Once confirmed the test all three types of data are stored and are available for immediate editing or further use in future The user can also temporarily hide certain unnecessary information e g if the video is of importance for the user the images can be viewed full screen 2 5 RESULTS AND VIDEO ANALYSIS The tests carried out previously can be recalled at any moment accessing the Results area Selecting a test and clicking on View numerical or graphical data can be compared with the images The video is of great help to the user to detect immediately postural or motor problems and more in general to carry out a qualitative analysis In fact thanks to the video memory possible anomalies of the numerical data can be easily identified and motivated The video images are synchronized with the data This allows to verify with accuracy what has happened at the time of acquisition of a certain value e g if a contact time is extremely long it is possible to look for the cause viewing the images of the instant when the value has been recorded Synchronization is carried out automatically by the software no user
64. e Load Response s This is the first Double Support Time DS1 in e Pre Swing s This is the second Double Support Time DS2 in e Step Length cm Step length see definition above e Gait cycle s time between the first contact of two consecutive steps of the same foot e Stride Length cm Stride length see definition above e Speed m s Average speed of a single step e Accel m s Speed variations of the two preceding steps e Cadence step s Rhythm expressed in steps per second e Total dist cm progressive distance walked run by an patient e Contact Phase s the time between the first contact of the heel and the complete support of the foot the percentage indicates the value with respect to the total contact time e Foot Flat s the time the foot completely touches the ground the percentage indicates the value with respect to the total contact time Microgate Srl Pag 109 di 133 EYMICROGATE OPTOGAIT e Propulsive phase s the time between the lifting of the heel to the complete set off of the tip of the foot the percentage indicates the value with respect to the total contact time 5 3 INVALID TIMES MANAGEMENT There are cases where during a test the program may acquire invalid times The main cases are e The OptoGait device is not installed correctly if during a performance of a test the OptoGait device is badly positioned on the ground or the ground is particularly uneven
65. e incremental weariness acts on the patient at each round installing the system on a track measuring the time of a change of direction and the following acceleration and so on Thanks to the practical and innovative assembling system using caps the modular system is assembled in a few minutes and does not require cables to connect the bars or further net adapters The length goes from a minimum of 2 meters to a maximum of more than 100 meters Ta Microgate Srl Pag 11 di 133 GYMICROGATE OPTOGAIT 1 4 ENVIRONMENTAL CONDITIONS AND DISCLAIMERS A The system is intended only for indoor use and at a height of max 2000 m a s l Operating temperature 0 C 35 C A As of the manufacturer s specifications only the intended use is allowed The estimated product life cycle is of 20 years Microgate Srl Pag 12 di 133 EYMICROGATE OPTOGAIT 2 SOFTWARE The interface with which the OptoGait system is managed is divided into three main sections Patients Personal Data Tests and Results 2 1 INSTALLATION Start the OptoGait exe setup program in the usual way for Windows In the first installation window the user is asked where to save the files for the installation of OptoGait We advise you to leave the directory unchanged and to click on lt Next gt to continue Location to Save Files Where would you like to save your files Please enter the folder where you want these files saved If the folder does not exist
66. e point arc Start End Include e Draw three point arc Start Include End e Draw lines viewing internal angle e Draw lines viewing external angle e Text tool e Line with measure draw a line with length indication calculated after having used the tool Measurement Ruler WARNING the measurement must be made on the same level of the item measured before e g have the patient stand sideways to a step of a known height use the tool Sample Ruler to measure the step then measure the patient with this tool To exit press the EXIT symbol at the end of the tool bar 2 Clear all 7 Open inl Save Add To Report Add Overlay d i Delete Overlay k Select S Pan lt P Move 7 Undo Redo W color AP Font HE Grid Ruler Pencil Line Lines gt Circle 2P Circle CR Arc 2P ek Arc CR Arc 3P gt Arc 3P gt Line Angle Left 3 Line Angle Right A Label Ruler G re Figura 111 Toolbar and double image under analysis Microgate Srl Pag 113 di 133 EYMICROGATE 5 5 MANAGING IMAGES When saving an image or two images in the case of video frames of a test comparison it is possible to add a caption i e a short name used as title and a note a larger field for an image description Images are managed caption and note editing changing of order of appearance and possible deletion using the button lt Images gt in the Print section chap 4 3 1 6 In this
67. e portion to delete Confirm by pressing YES when prompted if you want to delete the LEDs and indicate the number of thousandths of seconds for which the change is to be applied in this example 2000 and the numeric data table will be displayed If you want to save the data press lt OK gt in the upper left corner Otherwise press lt CANCEL gt Delete Led Figura 72 Deleting LEDs for a certain amount of time If you want to delete the whole series of LEDs a complete footprint for the entire test press CTRL right mouse click on any red LED of the footprint and then confirm the deletion by pressing YES 4 3 1 6 PRINT Microgate Srl Pag 77 di 133 EYMICROGATE OPTOGRIT When lt Print gt is pressed a multi page report is printed with the patient s data summarizing average test data numerical test data times heights power etc and all the charts of the previous window A box containing the index with the pages allows you by clicking on each page to rapidly select the desired section TT aS 6DPTOGRIT Fei gege ipei 8 Ferr Fike E ba B how nude edictal Parameters ie a E ew vida le n Par E ira ie Vite Ling i ten Finke eps Lena i ere Fale Lean Mere Feb dengen E Gere ke _ m6 remain _ _ mm mu Figure 73 Report Print The radio buttons on the left allow you to show or hide particular sections of the report for both Data and Charts The command toolbar above the
68. e the entire row and thus the contact flight time couple As a result such values will not be considered in the calculation of average values and will not appear in the charts In these cases add the contact flight time couple to the flight time of the previous contact flight time couple if it is the contact time that is not average or add the contact flight time couple to the contact time of the following contact flight time couple if it is the flight time that is not average The following chart clarifies this concept Microgate Srl Pag 110 di 133 EYMICROGATE Invalid contact time delete contact time Cont time Flight time is Cont time 0 35 0 43 0 35 0 30 0 15 0 30 0 05 inval 0 25 0 32 0 41 0 32 Invalid flight time delete flight time Cont time Flight time is Cont time 0 35 0 43 0 35 0 10 0 05 inval 0 15 0 42 0 30 0 10 0 05 0 15 0 32 0 41 0 32 OP TOGAIT Flight time 0 43 0 45 0 15 0 05 0 25 0 41 Flight time 0 43 0 42 0 41 The command Show marked rows accessible from the Row Management Menu see chap 4 3 1 3 1 allows you to remove the deleted rows from the view and only from the view in order to analyze only the data of interest Note if the OptoGait device is not installed correctly and consequently generates spurious times during a test it is better for the user to correct the installation of the device to eliminate spurious times beforehand rather than to fil
69. e the order A Z Z A To delete a test press the W gt symbol on the corresponding line of the chosen test to delete all displayed tests press Q on the table heading To select a test to analyze press the symbol onthe corresponding line or double click with the mouse the test will be moved from the LIST table to the ANALYSIS table and a filter will automatically be set on the type of test e g if a Squatjump test is chosen the Test List is filtered in order to contain only Jump tests this allows you to choose only tests of the same type to submit to Comparison To add all displayed tests press on the table heading To make multiple selections use the SHIFT key to select a range of patients from to or the CTRL key for selections that are not adjacent as explained in section O Pressing will move only the selected test Pressing will delete those lines Smith John Treadmill Gait 02 08 2010 15 42 41 gt doll Rossi Pierluigi Tapping 10 2404 2010 15 12 31 34 Malt Huber Franz STIFFNE SS 2404 2010 10 15 24 J x Rossi Pierluigi STIFFNESS 22 04 2010 14 27 55 Rossi Pierluigi STIFFNESS 22 04 2010 14 27 44 Rossi Pierluigi STIFFNESS 25 03 2010 18 11 34 Rossi Pierluigi STIFFNESS 25 03 2010 18 09 31 Rossi Pierluigi STIFFNESS 15 03 2010 12 22 17 Rossini Paolo STIFFNESS 01 07 2010 09 16 36 Rossini Paolo STIFFNESS 01 07 2010 09 16 22 2 Smith John STIFFNESS 23 04 2010 10 15 40 5
70. ease contact Microgate Please note that the transmission of the impulses has a fixed delay of 300 milliseconds To ensure data accuracy your EMG software will need to take this delay into account Also note that the OptoGait software must be run regularly even if the user does not need it In example if the user wants to perform an EMG on a treadmill the OptoGait software will need to be set to perform a test on a treadmill of the desired duration and the test will need to be started and stopped regularly to ensure that the impulses are assigned to the correct feet and that the error filters are working properly This of course also enables to perform EMG and gait analysis II at the same time Figure 27 EMG Lemo Connector Figure 28 Cable Lemo Jack 3 5mm Microgate Srl Pag 27 di 133 GYMICROGATE OPTOGAIT 4 DESCRIPTION OF FUNCTIONS In this chapter all the functions of every menu of the OptoGait program will be described starting with the functions of the main menu 4 1 PATIENTS 4 1 1 INSERT EDIT PATIENTS In this section all the patients stored are displayed GD Pierluigi 23 02 1985 Rossi Smith John 07 11 1981 Torres Felipe wm Finesse Charles 08 05 1983 Rossini Paolc 9 08 1982 SITI Paolc prg sabati Figure 29 Edit Patients Click on the names of the columns Last name Name Date of Birth to order the list according to that field clicking on the same column again r
71. ee chap 4 3 1 11 The button is disabled if the number of tests in the window is less than two To remove a test from the analysis press O on the corresponding line in the TEST ANALYSIS table To delete all the tests displayed press O on the table heading To analyze the history insert two or more tests in the TEST ANALYSIS table and press the button lt History gt See chap 4 3 3 To export the data to Excel add at least one test to the TEST ANALYSIS table and press lt Export gt A dialog box asks if the extended version for each data line the test heading and patient s data are repeated or the simple version only numerical test data should be displayed Pressing lt Print gt n number of reports in PDF format are generated the number corresponds to the number of tests shown in the Test analysis window Before generating the output the output directory for the above files must be selected Microgate Srl Pag 60 di 133 GYMICROGATE OPTOGAIT TEST ANALYSIS STIFFNESS 25 03 2010 18 09 31 Figure 54 Test list to analyze Microgate Srl Pag 61 di 133 EYMICROGATE OPTOGAIT 4 3 1 VIEW In this section the test selected is displayed Smith John 10M OJN 28 05 2009 15 35 42 CUTTS lito wen ben cotti lito Time effective 00 20 62 Total time 00 17 87 Figure 55 View The items on the left from top to bottom are the following e name of the patient e tes
72. eet 2003 xml preparing a normal Excel file with the same format as the export file number location column headers and format XML Spreadsheet 2003 It is recommended to export an empty personal database to create a file template and then to fill it with the desired information Attention must be paid to the birth date format DD MM YYYY and the Gender field IM or F The pre configured fields Sport and Discipline can only be one of those available from the dropdown menu Possible errors during the import are listed in a log window at the end of the import if the error is not blocking the patient is added anyway but with any possible wrong fields empty Microgate Srl Pag 31 di 133 EYMICROGATE OPTOGAIT 4 1 2 INSERT EDIT GROUP In this section infinite groups and subgroups can be created making it easy to manage the patients personal data Group A Subgroup A Group B i SubGroup B Group C SubGroup C Members of Patients Group B SubGroup B Third Level Group Picture Figure 32 Managing groups As a default there is always a group called Patients which is the Parent group of the ones we will subsequently create All the patients we insert are automatically added to this group To create a subgroup choose the parent group press lt New Group gt key in the name and confirm e g if you want to create Team A as a 2nd level group select Patients and press lt New Group gt
73. esolution of 1 cm Starting from these base data the dedicated software measures in real time a series of crucial data for the movement analysis Microgate Srl Pag 6 di 133 EYMICROGATE OPTOGAIT Optogait acquires numerical parameters in real time for gait running and jump tests allowing to view them immediately Thanks to the possibility to create an easy to read report in a few seconds containing all main data asymmetries between the two legs are highlighted instantly Besides the below listed data in each test average value standard deviation and variability coefficient are stated for each leg where available In this case a difference between the two legs is shown in percentage Gait Run Gait Test on Run Teston Jump Test Tapping Test Reaction Test Treadmill Treadmill Test Ke Ke Stance Time Swing Time Step Time Gait Cycle Single Support Double Support Loading Response Pre swing Step Length Stride Length lt x KX X X X KK KK XK lt x KX X X X XxX KK K XK 3 foot phase contact flat propulsive Cadence Rhythm Pace Speed Acceleration Flight Time Contact Time Height Stride Angle X X X KK KK XK lt x KX KX KK Xx Imbalance Specific Power Jumping Point Jumping Point Gap Used Area Cycle Time Flight Contact lt x KX K X Reaction Time X Microgate Srl Pag 7 di 133 EYMICROGATE OPTOGAIT KIT CONFIGURATION OPTOGAIT is always sold in a KIT configuration comprising at lea
74. esult The test can now be repeated by pressing lt Execute gt and interrupting the LEDs manually e g by placing your foot between the bars Please note that some LEDs turn red indicating interruption of the signal caused by entry of the foot If lt End gt is pressed the software will show the interrupted LEDs in the table below indicating that the test has not had a positive result because of this intentional interruption This test is also very useful to check mainly in case of outdoor installations of long bar combinations if there are obstacles like leaves stones hills etc between the transmitting and the receiving bar If the obstacles cannot be removed it is possible to exclude them via the software in this case all interruptions of those LEDs will not be taken into consideration for the test The picture below shows for example LED no 28 31 of bar 1 which has been interrupted with the request to exclude it from acquisition Test terminated Some leds are interrupted Filter these leds during the acquisition Bar N 1 1 28 31 Figure 91 Excluding an interrupted LED If you reply YES next time when using this function the excluded LED will be BLUE and the button in the lower right corner lt Active LED filter gt will indicate that one or more LEDs have been excluded from the acquisition the same button appears every time a new test is performed Pressing the button the filter can be removed and
75. everses the order A Z Z A Microgate Srl Pag 28 di 133 EYMICROGATE OPTOGAIT To search for a particular patient or to filter data e g search for all patients beginning with Ros insert the text in the box at the top left and press lt Search gt To remove the filter press lt Delete filter gt mn tastname Wu ith date Rossi Pierluigi 23 02 1955 mmm Rossin Pat mme Pressing the button lt New Patient gt opens a new panel in which the new patient s data must De inserted Last name is the only compulsory field Also the weight given in kg or pounds depending on the unit of measurement chosen in Basic Configuration is necessary if you wish to use the tests to determine the value for total power or total energy Last name Birth date 23 02 1985 Gender Male C Female Pathology Grade Unit Job Notes some notes A Picture 4 FROM FILE FROM VIDEO Figure 30 Patient Data input mask Microgate Srl Pag 29 di 133 EYMICROGATE OPTOGAIT The function for associating each athlete with a photo is useful especially for trainers and coaches with many athletes to assess This can be taken from a file previously saved on disk in jog or bmp format or taken on the spot with a previously connected webcam In the first case click on lt From File gt and select the desired photo from a folder in the second case click on lt From
76. f file and the videos and still images 4 4 4 CHECK UPDATE This checks if the installed version is the most recent one If not OptoGait suggests you download the newest version from the site NB before pressing lt Check Update gt check that the Internet connection is active 4 4 5 ABOUT This section displays respectively e Hardware and software characteristics of the computer e Version of the OptoGait software and the video component e Version of the OptoGait bars LED definition 10 mm or 30 mm and system structure number of bars in X and Y If our Support Team asks you to provide this data select the whole field with the cursor right click on it and select COPY Then send an e mail in which you PASTE the copied data 2 Software Data Software Version W1 2 2 1 Database Version V1 2 2 0 fideo Version v z Unda Cut Copy Paste Delete Figure 96 About window showing the technical data for the Support Department Microgate Srl Pag 98 di 133 EYMICROGATE OPTOGAIT 5 OPERATING PRINCIPLES 5 1 DEFINITION OF RESULT COLUMNS 5 1 1 GENERAL INFORMATION e Column contains information on the various row types The following values are possible o External row with a time generated by an external or end of test signal with a timeout or end of time o 1 2 n0 progressive number valid row Each row represents a jump and can contain a contact flight step time or only flight step time o Average
77. foot is risen Le iff Ges A Figure 102 Stride angle Microgate Srl Pag 102 di 133 EYMICROGATE OPTOGAIT 5 1 4 REFERENCE INDEXES In the Sprint and Gait Test parameters chap 4 4 1 5 the speed of an ideal athlete the so called super athlete during the 3rd 6th and 9th step can be indicated These are in fact the three most interesting moments of a sprint important studies have proven that e the speed of the 3rd stride is strongly related with the use of burst power e the 6th stride soeed depends on the phase of transition between the burst power and elastic recovery e the 9th stride speed depends more on pure elasticity Therefore the following indexes have been created and calculated as follows Burst index real speed at 3rd step ideal reference speed at 3rd step 100 Transition index real speed at 6th step ideal reference speed at 6th step 100 Elasticity index real speed at 9th step ideal reference speed at 9th step 100 Example supposing that the three speeds of reference have been set at 6 8 and 9 m s the athlete s sprint is taken into consideration and his indexes are shown Smith Clarence SPRINT 12M OJN 20 07 2010 16 40 52 K 2L 0 199 118 0 199 0 032 0 1 3 29 76 118 4 33 0 379 Q Q 3R 0 374 215 0 143 0 070 0 6 4 55 2 85 97 173 4 69 1 419 O 4L 0 523 313 0 079 0 112 1 5 SAB 1 43 98 195 5 24 3 591 2 797 ao ii Q 5R 0 766 416 0 131 0 079 0 8 4 90 0 5
78. fu Rx L M N o p jal R s Tu SE aE DE SE 1 Last name Name Last amp firstnames BirthDate Gender Weight Height Foot Sport Discipline Level Role Test Date Time L R External TReaction TWait TFlight TContact TStep Height Power Pace 2 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 1 L 3 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 2 L 0 058 0 555 04 1 54 1 63 4 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 3 R 0 029 1 035 0 1 0 72 0 94 5 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 4 L 0 011 1 225 O 0 27 0 81 6 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 Tf not vaild 0 008 1 173 7 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 5 R 0 034 1 326 0 1 0 84 0 74 8 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 6 L 0 032 1 143 0 1 0 79 0 85 9 Rossi Pierluigi Rossi Pierluigi 23 02 1985 M 75 181 42 Athletics Long jump campionati nazionali SKITEST 15 SEC 16 03 2011 14 13 13 7 R 0 02 1 164 0 0
79. hat type of reaction the test must assess that is o Visual stimulus on the PC screen a red circle becomes green after a random period of time the patient must react to this stimulus e g by jumping o Acoustic stimulus the reaction stimulus is a sound emitted by the PC using either an internal loudspeaker or a sound board after a random period of time o Visual Acoustic stimulus the visual red green circle and the acoustic stimuli beep from the PC alternate randomly o External impulse the start to calculate the reaction time is given by a device e g a start horn or a start button connected to the jack sockets e Start indicates if at the beginning of the test the patient must be inside the area of the bars or outside the area e Minimum pause minimum pause time in minutes seconds between one test and another the pause will have this minimum value but being random it will almost always be longer e Number of repetitions indicates how many repetitions from 1 to 99 the test must consist of e Sequence type the sequence can be Automatic the test repetitions follow each other automatically or Manual at the end of each repetition the start of the next test must be confirmed e Stop type this can only happen by Status change Secondary Parameters e Minimum contact time ms see above e Minimum flight time ms see above e Maximum flight time ms see
80. hosen as these actions are applied simultaneously to the two tests Smith John 10m OJN 28 05 2009 15 11 04 Smith John 10m OJN 28 05 2009 15 03 46 x gem r 5 P SE d E ti mes a x Beggen af Es lt N a N K TET TTT TTT TTT RSA ies Figure 80 Synchro Start and Stop Settings ner 00 02 47 LUT A Test data viewing can be configured by the user These settings are similar to those explained in the previous section except for e Chart o View data can be viewed horizontally as in Figure 79 Compare o orvertically In the latter case the numerical values are scrolled horizontally o Bars synchronization of the bars means that if for example the Blue Test time slider is moved the red bar for the Red Test time is automatically moved too If No Synchro is chosen the two scroll bars are disconnected and can be moved independently from each other e Video o Video choice if two movie clips have been acquired i e two webcams are connected for each test it is possible to choose which movie clip to view Video 1 or Video 2 It is not possible to view the Video taken by Webcam 1 for the Blue Test and the video taken by Webcam 2 for the Red Test or vice versa 4 3 2 1 PRINT ANALYSIS NOTES SIGNATURE The options are mainly the same as those in the View section Printed data is obviously from the comparison between the two tests Therefore the name of the test
81. ically filled in e 5 jumps with RIGHT leg and feet PARALLEL to the OptoJump bars e 5 jumps with LEFT leg and feet PARALLEL to the OptoJump bars e 5 jumps with RIGHT leg and feet PERPENDICULAR to the OptoJump bars e 5 jumps with LEFT leg and feet PERPENDICULAR to the OptoJump Figure 112 Choosing a protocol bars 1 2 e 5X LS 3 5X Ce l C 4 2008 5X EE Figure 113 Drift Protocol sequence I i Carry out the 4 tests reminding to press SAVE at the end of each test before moving on to the following test At the end of the protocol go to Results select the option Protocols from Display gt Data and choose the protocol which has just been executed with the symbol Q Microgate Srl Pag 116 di 133 EYMICROGATE OPTOGRIT TEST LIST d p D D D D D wW Rossi Pierluigi 5 Dot Drill AR AE AEE EA LHL LE EEL IEEE ELE AIL LEE EAD LEAL EEDA LEELA ATE 4 ll ee Aa a SE i ll e e ot A S Wa SE Le e SE A EREE RRE da Rar ae oe NSA LAI SL pa ii ve E doe 5 dei d daf Analysis Search rw Ji Figure 114 Selecting a protocol to be printed Double click on the protocol to be analyzed or click the button lt Display gt a report will be displayed showing the average jump values divided into right and left leg and what s even more important two graphs allowing to quantify very rapidly the displacements and their direction Each jump is displa
82. ight during the execution of jumps runs Speed m s or ft s Average speed of a single step see Fig 78 Accelerations m s or ft s Speed variations of the two preceding steps Steps cm or ft Step length see definition above Stride cm Stride length see definition above Pace step s Rhythm expressed in steps per second Stride angle deg Alpha angle of the stride parable Imb imbalance indices of the run between right and left step Double Sup s Double Support Period of time when both feet touch the ground Step Times s time between the first contact of one foot and the first contact of the opposite foot Contact Phase s the time between the first contact of the heel and the complete support of the foot the percentage indicates the value with respect to the total contact time Foot Flat s the time the foot completely touches the ground the percentage indicates the value with respect to the total contact time Propulsive phase s the time between the lifting of the heel to the complete set off of the tip of the foot the percentage indicates the value with respect to the total contact time Microgate Srl Pag 108 di 133 EYMICROGATE OPTOGAIT Gait Data Columns e TExt s External time available only for external impulse This is the time between the event start stop of the impulse and the entry exit into from the OptoGait bars it can also comprise split times e Stance
83. ilter 20 all values above 0 96 and below 0 64 will be deleted Microgate Srl Pag 51 di 133 EYMICROGATE OPTOGAIT 4 2 2 7 TAPPING TEST Main Parameters e Start type Indicates if the start of the test must take place with a status change i e entering or exiting the bars or with an external impulse coming from the jack sockets e Start indicates if at the beginning of the test the patient must be inside the area of the bars or outside the area e Starting foot if known the foot with which the test starts right or left can be indicated otherwise leave as not defined e Stop type Indicates how the end of the test must be interpreted i e as external impulse like a photocell at the end of the lane or as timeout the number of milliseconds of Test timeout can be customized in Utility Basic Configuration e Finish for the Stop type Timeout it is necessary to specify if at the end of the test the patient must be inside the area of the bars or outside the area e Test length appears only if Stop type End of Time and specifies how many minutes seconds the test must last 00 01 to 09 59 Secondary Parameters e Minimum contact time ms see above e Minimum flight time ms see above e Maximum flight time ms see above In order to perform a Tapping Test it is important that the patients feet are vertical to the OptoGait bars
84. in the Utility menu under Basic Settings chap 4 4 1 2 4 4 1 3 and 4 4 1 5 When creating a new test definition the values of these parameters are retrieved from the general data It is possible to edit them for a specific test for particular needs All tests of that type will then have the modified parameter It is also possible to change one of these parameters in a SINGLE test the test of Mario Rossi on April 12th without influencing the test definition itself Therefore it is important to understand how the secondary parameters have a hierarchical structure and a sort of parent child relation Microgate Srl Pag 40 di 133 GYMICROGATE OPTOGAIT Basic Configuration Parameter Test Definition Parameter Single Test Parameter H For example Under Utility Basic Configuration set the Minimum contact time to 60 ms From this moment every time new types of Jump Test are created they will have a default value of 60 ms If this value is acceptable no further changes have to be performed in Secondary Parameters General Contact amp Flight time Settings Minimum contact time ms Minimum flight time ms Maximum Flight Time ms Figure 36 Basic Configuration Parameters Let s suppose that for special needs a new test type is needed e g Three Jumps with a different value e g 80 ms Open lt Secondary Parameters gt change the value and save the test definition Minimum contact
85. input or output signal is received from the measurement area by the OptoGait device for a period longer than or equal to the time set here the test is considered completed e 3rd 6th 9th step speed reference insert the reference speed for the 3 6 9 step in m s this option can be disabled by inserting the value 0 e Consider first step if set to No the length of the first footfall is not taken into consideration For this test type the structure of the system has to be defined as well i e how many bars the system is composed of and whether there are gaps between the bars In the field Number of bars the number of connected bars must be inserted This field is necessary for correct test acquisition If the inserted number of bars differs from the number of bars actually installed the software will signal this error suspending the test currently in progress Example A system is made of 20 meters of OptoGait bars all connected without gaps The settings to make are the following See ome re The and buttons are respectively for removing or adding blocks of OptoGait bars This function can be used for example in hurdle jumping where between one hurdle and the next one interruptions are made connecting bars with a flat cable The Distance field is for indicating the distance between the blocks in centimeters The first Distance Do corresponds to the distance between the patient s initial positio
86. installing the OptoGait bars particularly when inserting the caps for connecting the bars A distinction must be made between the Tx and Rx bars and additionally between bars with interface silver drum at start of bar and without interface Only the interfaces have an OFF switch ON OFF switch il Lemo Connector EMG Nd j Power Supply Socket for USB cable insertion Jack sockets for external event e Normally closed blue socket e Normally open green socket e Grounding black socket Figura 9 Interface drum Microgate Srl Pag 20 di 133 EYMICROGATE OPTOGAIT Below is the step by step procedure for bar installation e Switch off the OptoGait device e Place the two OptoGait Rx and Tx bars facing each other at a minimum distance of one meter maximum 6 meters e zm a maH 6 M NZ Figure 10 Maximum distance e fa number of bars connected together are used pay attention to the insertion of the caps see figures below Check that the caps are firmly inserted If insertion is incorrect the software may not function correctly Figure 11 Figure 12 Figure 13 Figure 14 Microgate Srl Pag 21 di 133 G YMICROGATE OPTOGAIT To mount the connection cap insert the cap in the dedicated slots and apply light pressure on both sides until it has been completely inserted make sure it is parallel with the two bars the two connectors should slot in simultaneously The cap
87. invalid flight or contact times may occur e The patient knocks against the device if during the test the patient knocks against the device without causing it to lose its alignment this may only temporarily generate some invalid times e The patient exits the measurement area in very long tests the patient may exit the measurement area for one jump and then re enters the area In these cases it may be convenient to keep the test and make a manual automatic correction to times rather than repeat the test itself In fact the OptoGait program contains an automatic and manual system for managing spurious times acquired during a test Checking for spurious times is only done on flight step and contact times with any external times always considered as valid The basic criterion is that acquired times are always coupled with contact time flight time or step time Flight or step times without a corresponding contact flight or step time are only possible at the beginning or end of a test contact because of the start or finish type set in the test In the case of a very brief contact flight or step time there is an automatic procedure that identifies any invalid times i e below a certain threshold This threshold can be set or deactivated see chap 4 4 1 2 If there are other errors that are not automatically deleted it is possible to manually correct them select the row with the invalid contact flight or step time and delet
88. le it is displayed in black e g if no second webcam is connected the option View video 2 is disabled The OptoGait software has a graphic tool for analyzing images acquired by webcams To enter this section just double click with the mouse on the still picture to process see chap 5 4 Press lt Close Config Panel gt to close the Configuration panel 4 3 1 3 TABLE WITH NUMERICAL DATA In Jump Tests or Reaction Tests the numerical data to display are few and therefore almost always fit into one screen In Spring Gait Tests regular or with treadmill on the contrary the numerical data have many columns a horizontal scrollbar is shown therefore it has been decided to divide them into three pages the first with the Run Data the second with the Gait Data and the third maybe the most important with a Gait Report To switch from one screen to another click on the link on the top left corner of the table F 1R K 1L 0 894 F 2L 0 668 F 2R 0 940 k 3R 0 894 F 3L 0 873 F AL 1 608 F AR 0 912 k 5R 2 262 F 5L 0 879 C 6L 2 959 9 GR 0 944 Ca TR 3 622 F TL 0 888 Figure 62 Run amp Gait Data Microgate Srl Pag 67 di 133 EYMICROGATE OPTOGAIT The Gait Report could be zoomed with the and button Gait Report Zoom v v Lengths Step length cm 73 3421 CV 2 9 Es Right 75 5223 CV 30 i Diff arr Stride length em 148 822 7 CV 1 8 mmm Gait parameters Stance phase
89. ls draw on a still picture and save this image as an overlay use this flag to show or hide it o Video choice Allows you to choose whether to show or hide one of the two videos o Speed sets the playing speed normal 1x or slowed down by a factor from 0 1x to 0 9x The Configuration panel can be closed i e minimized using the button lt lt in the upper left corner Only the video commands play stop ff fw rew etc are available allowing you to view the test Use gt gt to open the panel again Rossi Pierluigi 00 08 55 S STIFFNESS 22 04 2010 14 27 55 Figure 59 Open Configuration panel Figure 60 Closed Configuration panel 4 3 1 2 CHARTS In OptoGait charts there are usually some possible viewing possibilities e g in Figure 10 Flight times and Contact times are displayed To change view type left click with the mouse on another option such as Power or Height The buttons have the same colors as the chart bars lines and are therefore used as legend In addition if you place your cursor on one of the buttons the displayed chart type will appear on the right It can be lines dch or bars lib To change the chart type left click on the corresponding symbol Microgate Srl Pag 66 di 133 E YMICROGATE OPTOGAIT By pressing the symbols under Zoom you can increase 9 or reduce EI the chart display Figure 61 Chart options If a setting is not availab
90. lts In the Results section the performed tests or protocols are displayed For better understanding these three terms are defined as follows Test is a single test e g 15 jumps performed on a certain date by a single patient Protocol is a pre defined list of tests to perform in sequence Analysis when a single test is displayed or when two tests are compared certain configuration parameters may be set for the video the table with numerical data charts reports printouts etc It is furthermore possible to draw on still pictures insert notes sign delete incorrect data etc All these operations can be saved in an Analysis using a mnemonic name which can then be recalled without having to reset all parameters The RESULTS window is divided into 3 parts from left to right e FILTERS panel for looking for a single test or for filtering according to various parameters e TEST LIST contains all the tests made possibly filtered by your parameters the same window also displays the list of saved analyses e TEST ANALYSIS contains the tests analyses manually selected for viewing comparing printing or exporting Microgate Srl Pag 56 di 133 GYMICROGATE OPTOGAIT Filters Panel With the Data radio button select whether single tests protocols or analyses should be viewed In the latter case with the and icons expand or collapse the tests contained in the protocols TEST LIST ER ra GS STI
91. n and the first block For example in athletics if the start is from the blocks the distance from the springboard to the first block must be calculated The other distances D1 D2 etc indicate the distance between the last lens of a bar and the first lens of the following bar end and beginning of the two half moons Microgate Srl Pag 48 di 133 EYMICROGATE OPTOGAIT INI Es ac ee ee A x A4RUREBUERE EECH q 2 to V vw 4 p gt mg dii da ll o WC e PC Ss CA d e Figure 42 Example bars with gap A practical configuration example of a system of 30 m could be the following Starting block 50 cm 13 meters OJ hurdle 8 meters hurdle 8 meters hurdle 1 meter Figure 43 Configuration of bar blocks Microgate Srl Pag 49 di 133 EYMICROGATE OPTOGAIT 4 2 2 5 TREADMILL RUNNING TEST Main Parameters Start type this can only be Software command Stop type this can only be Software command or End of time Test length appears only if Stop type End of Time and specifies how many minutes seconds the test must last from 00 01 to 59 59 Treadmill speed indicates the speed in km h the treadmill is set at the setting range is 0 1 20 0 km h with steps of 0 1 Secondary Parameters Minimum contact time ms see above Minimum flight time ms see above Maximum flight time ms see above 4 2 2 6 TREA
92. nnot be simulated is the acquisition of a Sprint Gait test it is not possible to know the length of steps While this type of test is allowed it will finish without the acquisition of steps Microgate Srl Pag 36 di 133 G YMICROGATE OPTOGAIT 4 2 1 1 EXECUTE CONFIGURATION Execution i tent Patients Rotatation based on Autom acquisition Yes No Acquisition Pause Grid Labels o Show Figure 34 Execute Configuration Test data viewing can be configured by the user The parameters are e Execution o Rotation based on if more than one test or patient is selected this indicates the chosen mode o Test after each performance the next test begins for the same patient o Patient after each test performance this goes on to the next patient doing the same test o Automatic acquisition if this parameter is set to Yes it is possible to skip the manual saving phase at the end of each test when the patient finishes a test it is saved then after a few seconds as configured in the parameter Acquisition Pause the next test begins automatically performed by the same patient or by another depending on the settings o Acquisition Pause indicates the pause time between one test and another which are acquired automatically Used only if Automatic Acquisition YES Microgate Srl Pag 37 di 133 EYMICROGATE OPTOGAIT e Chart o Chart shows hides the chart d
93. nywhere on the timeline the positioning time can be entered The value must be in milliseconds i e for example 1787 to reach 17 87 With lt Search Parameters gt it is possible to look for a parameter selected from the Parameter drop down menu e g select first flight time and press Parameter Search you will see the film clip and the slider go forward to the frame corresponding to the patient s first take off from the ground By using Next T Flight you will go forward to the next corresponding event This function is very useful when comparing two tests The display of test data can be configured by the user e Chart o Chart shows hides the chart o Grid shows hides the dotted lines forming a grid on the chart o Labels shows hides the labels for the numerical values of the times on the chart o View shows all the data acquired or only certain data in this case a scrollbar allows you to move to the right and left inside the chart o Data Window the table of numerical data displays the n number of data based on the window in blue shown in the chart To move the window right click it with the mouse and drag it onto the chart Smith John 10 OJN 28 05 2009 15 35 42 TE E slitte selen salino calle lie Parameter e Search parameter e Chart D w Chart Show Grid H Show Hide Labels Show Hide Show 10 DATA Data Viindow SDATA Data Data Show Bars Show
94. o possible to move patients from one group to another with these two methods e Select the source group of a patient you want to move select one or more patients press lt Move into a Group gt select a destination group and press lt Confirm move gt Press lt Cancel gt to cancel the operation in progress e Select the subgroup from which to transfer the patient or patients and perform the same drag n drop operations described above The difference between operating from the root group Patients or from others is that in the first case the patients are always copied When moved from one subgroup to another they are transferred without copying With lt Delete Group gt the group selected and its dependent subgroups are eliminated but not the patients that formed it while with lt Edit Group gt its name can be changed With lt Remove from Group gt the patient selected in the grid is removed the patient is not eliminated from the database The button is disabled when no patient is selected or when the first level group Patients is displayed Microgate Srl Pag 33 di 133 EYMICROGATE OPTOGAIT 4 2 TEST prems STI sr 4 2 1 EXECUTE In this section the pre defined tests or protocols are carried out To define a test or protocol see the sections below In addition before performing a test at least one patient must be inserted in the database Patients Smith John 0 2 di ERESIA SCE
95. on thanks to a graphically Microgate Srl Pag 18 di 133 EYMICROGATE OPTOGAIT intuitive and clear interface Gait Run reports show also if the patient s parameters are within the normal range of values Extended Report contains all numerical and graphical data stored step by step during the test In both report types it is possible to add screenshots taken with the video utility available in the View option as well as in the Compare option Microgate Srl Pag 19 di 133 EYMICROGATE OPTOGAIT 3 OPTOGAIT DRIVER AND HARDWARE INSTALLATION 3 1 DRIVER INSTALLATION For correct functioning of the program the respective drivers for the OptoGait hardware and the webcam must be installed The OptoGait software installation file already contains the required drivers With regard to the Vista operating system it has been found that if the installation program is not run as Administrator the drivers are not installed In this case install the two drivers separately These are available on the Microgate USB key supplied with the hardware or on the site www OptoGait com in the Support section To verify that the drivers have been installed connect the two devices OptoGait hardware and webcam If installation has not taken place the operating system will signal an error disconnect the hardware reinstall the drivers and reconnect the hardware 3 2 OPTOGAIT HARDWARE INSTALLATION Attention must be paid when
96. one at a time for particular needs For example the trainer of a team can separate the tests of one season from another warning in this case he will not be able to do any comparisons or analyze the history Also a free lance professional who does tests for various customers can create a database for every team to be tested It is also possible to export database data in a compact format one single file containing database videos and images in order to transfer them from one PC to another or to hand them to the customer to review Free software downloads are available at www OptoGait com The commands used for these purposes are the following 4 4 3 1 CURRENT DATABASE The path indicates which database is used the commands below lt New gt and lt Select gt allow you to edit the directory and the file to use 4 4 3 2 NEW Creates an EMPTY database and sets it as current you will be asked in which folder to place it When you create a new empty database or when you import an ojn file in a new empty database the destination folder must be specified To organize the still images of a database it is useful to create an empty subdirectory folder for the database Example Create a folder called MyTests on your hard disk in the root directory or under Documents Microgate OptojumpNext Then create a folder for each new empty database inside this folder Now each database will be stored in a separate folder with it
97. ove e Minimum flight time ms see above e Maximum flight time ms see above e External signal hold off ms is the hold off time between two consecutive external signals Caution has to be applied for this value because it may depend on the type of test being carried out e Entry point allows you to indicate if the entry point of the Sprint Gait test is on the interface side drum or the opposite side If automatic is chosen OptoGait automatically calculates the direction considering the LED nearest the center of the foot as the beginning of the LEDs e Step length calculation allows you to choose whether to calculate step length as the distance between the tips of two following feet or as the distance between the heels of two following feet see also Figure 90 Tip to Tip or Heel to Heel Step Length s e Minimum step length cm or ft is the minimum step length in centimeters or inches used as a basis to calculate the step length for a Run Gait test e Minimum foot length cm is the minimum foot length in centimeters or inches used to filter possible incorrect acquisitions Microgate Srl Pag 47 di 133 EYMICROGATE OPTOGAIT e Split10r2atdistance cm insert at how many cm from the start the first or second split time will be taken leave 0 to disable split times e Test timeout ms this is the end of test timeout in milliseconds if during a Sprint Gait test with Timeout stop type no
98. phase s The stance phase is the weight phase supporting phase of each gait cycle It begins with the contact of the heel and finishes with the set off of the tip of the same foot It is therefore the time between the first and the last contact of two consecutive supports of the same foot It is also presented as a percentage of the total gait cycle e Swing Phase s The swing phase begins when the tip of the foot leaves the ground and finishes with the contact of the heel It is therefore the time between the last contact of the first support of the foot and the first contact of the following support It is expressed in seconds sec and as a percentage of the gait cycle of the same foot The swing time of one foot corresponds to the single support time of the other foot e Single Sup s Single Support This is the time between the last contact of the current support and the first contact of the following support of the same foot i e the time when only one foot touches the ground The single support corresponds to the swing time of the opposite foot It is expressed in seconds and as a percentage of the total gait cycle time e Total Double Sup s This is the sum of two partial double supports defined DS1 and DS2 in Figure 107 Gait analysis terminology e Step Time s This is the time between the first contact of a foot and the first contact of the opposite foot it corresponds to the Step Time in the Run Data
99. r OptoGait requires the installation of Microsoft NET Framework 2 0 installed automatically during the setup if not found Microgate Srl Pag 131 di 133 EYMICROGATE OPTOGAIT 8 TABLE OF USED SYMBOLS A CAUTION symbol Microgate Srl Pag 132 di 133 G YMICROGATE OPTOGAIT Copyright Copyright 2012 by Microgate S r l All rights reserved No part of this document or of any of the single manuals may be copied or reproduced without previous written authorization by Microgate s r l All trademarks or names of products mentioned in this document or in the single manuals are or may be registered trademarks belonging to the relevant companies Microgate REI2 RaceTime2 and MiSpeaker are registered trademarks of Microgate s r l Windows is a registered trademark of Microsoft co Microgate s r l reserves the right to modify the products described in this document and or in the relative manuals without notice Microgate S r l Via Stradivari 4 39100 Bolzano ITALY Tel 39 0471 501532 Fax 39 0471 501524 info microgate it http www microgate it http www OptoGait com GQMICROGATE OP TOGAIT Microgate Srl Pag 133 di 133
100. rated antes rn 112 ect ee 114 o De fi kt Testsand ie ssrin R E E SE 115 6 1 DEPOO O E 116 Microgate Srl Pag 4 di 133 EYMICROGATE OPTOGAIT o2 FIVE DO Dr POU CON EE 119 GG ECO igre ss rateali 123 GA SINnGIO LCS 3 Hops POCO CO BEE 126 SG MEA Ge Ve EE 128 Do Ila ra 129 CERO 130 7 1 Technical Data TX RX Bars ieri eee 130 7 2 PC Minimum Requirements 131 8 Table of Used SVM e 132 Microgate Srl Pag 5 di 133 EYMICROGATE OPTOGAIT 1 DEVICE FUNCTIONS AND MAJOR FEATURES OPTOGAIT is an innovative system for movement analysis and functional assessment of patients with normal or pathological conditions The system is equipped with optical sensors working at a frequency of 1000 Hz and having an accuracy of 1 cm detecting the relevant space and time parameters for gait running or other test types The objective measurement of such data combined with an integrated video acquisition allows to monitor a patient s condition on a constant basis detecting problem areas assessing mechanical inefficiencies and rapidly verifying the existence of asymmetries between the two legs The software platform allows to easily store all tests carried out and recall them instantly if necessary This allows to develop a customized patient recovery It is furthermore possible to compare very quickly and easily data of tests carried out at different times in order to assess the validity and the efficiency of the methodology applied
101. report allows you to perform the following operations o fa 4 WD o A E Figure 74 Print Report Command Toolbar e Print the report on the printer set in the dialog box e Refresh the data e Show Hide the page index e Goto first page e Goto previous page e Goto next page e Gotolast page e Goto page No e Close the report Microgate Srl Pag 78 di 133 GYMICROGATE OPTOGAIT e Search e Zoom The buttons lt Change logo gt and lt Change footer gt allow you to customize the report adding your logo and your personal data respectively printed in the top right corner and on the bottom line Press lt Export gt on the left to export the report in PDF Excel Word or Html format Choose the desired format from the drop down menu select the position name the file and press Save Folders my File name report Hide Folders Excel xls Html html Figure 75 Dialog box for saving a report The functionality of Report creation printing and saving are offered by the external Crystal Report component If this does not work correctly we advise you to check whether you have installed different versions or editions of this software If you have uninstall the old versions and re install the OptoGait packet 4 3 1 7 SAVE ANALYSIS This function allows you to give the current settings configuration a mnemonic name so that it can be recalled from the list of saved analyses for future use 4 3 1 8 ANALYSIS N
102. rs can be created and managed from the list containing them in particular you can e double click on one of them to skip to the marker time frame e click on the first icon Edit to edit the note e click on the second icon Delete to delete the marker must be confirmed The list is printed in an appropriate Report section Main Report Report Rossi Pierluigi 14 10 2011 15 55 23 LATERAL MOVEMENT 0 00 05 16 Insufficient push with right lec AT 00 07 23 Low exit speed Figure 77 Marker options Figure 78 Report print Microgate Srl Pag 80 di 133 EYMICROGATE OPTOGAIT 4 3 2 COMPARE In this section two selected tests are compared The display structure is similar to the one presented in the previous section Due to lack of space it is not possible to simulate the bars with the LEDs which is possible when viewing a single test To compare two tests bring them together in the TEST ANALYSIS table and press lt Compare gt Smith John 10m OJN 28 05 2009 15 11 04 Smith John 10m OJN 28 05 2009 15 03 46 A a A A aa 7 IA Tee A Fu Synchro zen zg _ Reset m Gel a Parameter z iNi SC S Ai Chart K Chart Show Hide Grid Show Hide Labels Show Hide LL CU Bars Synchro Not Synchro TE E Lilia RO I ean View Vertical Horizontal DEA ri 0 644 R 0 632 L 0 650 R 0 637 L lt hr ALL 0 6 deporre
103. s average values for the various columns The average is not calculated for all columns it is calculated using only the times of valid rows indicated with a progressive number o Std standard deviation of the column compared to the average the standard deviation is not calculated for all columns o Interrupted if a test is interrupted prematurely by the user the test finishes with this warning message o Error in a reaction test if single repetition fails this is signaled with Error o Deleted row with contact and or flight step times deleted from displays and calculation of average and total values see Management of invalid times for more details o Tc not valid row with invalid contact time contact flight step times for this row are therefore added to the flight step time of the row above see Management of invalid times for more details o Tf not valid row with invalid flight time contact and or flight step times for this row are therefore added to the contact time of the line below see Management of invalid times for more details o No step in a running gait test when the number of steps acquired is lower than the number of rows with contact flight times excessive rows are signaled like this O Suspended indicates that a treadmill type test was suspended for a certain time and then resumed o Split time passed from the Start to the reception of an external split signal valid only for running gait tests Microg
104. s video and image files Microgate Srl Pag 93 di 133 EYMICROGATE OPTOGAIT 4 jE Computer a amp OS CH a Mvlests a NFL_Combine J image Ji video W NFL_Combine sdf d di Season 2010 A image A video Ze Season2010 sdf A Season 2011 di image di video 5 Season2011 sdf Figura 93 Database organization example 4 4 3 3 SELECT If more than one database has been created you can choose browsing on the hard disk which database is ACTIVE 4 4 3 4 CLEAR Empties the current database of all Patients Groups Test Definitions and Tests tests protocols analyses data You will be asked which of the four tables to empty and further confirm this operation is IRREVERSIBLE 4 4 3 5 IMPORT PREVIOUS Allows you to import the database of the previous HW SW version You will be asked to locate the opj file saved with the old software 4 4 3 6 EXPORT Exports the CURRENT database together with all videos and still pictures processed in a single compressed file with the extension OGN you will be asked in which directory or on which drive for example a USB stick with sufficient space to create and store the file and how to name it It is possible to export only the database without videos and images choosing Database sdf from the File Type dropdown menu Microgate Srl Pag 94 di 133 GYMICROGATE OPTOGAIT 4 Database OptoGait kd E elen gt Computer USBKEY 7 4 Hl search USBKEY G p
105. ses the bars scroll in synchronization with the video and the charts allowing the user to follow the LEDs interrupted during the test Bar scrolling can be disabled by clicking on the lock icon in the bottom right corner The button has a toggle function so when clicked scrolling is enabled again From this view a Measuring Ruler can been used to see how many centimeters or inches there are between a series of lit LEDs or between two points Double click on the first LED and then on the second LED to view the measure the markers are green and red for the first and second point Click anywhere on the bars and ESC to delete the measure Microgate Srl Pag 76 di 133 EYMICROGATE OPTOGAIT Barra N 2 Figura 71 Measure in cm or inches of the distance between two points In this view you can also temporarily delete a series of LEDs for a certain period of time Unlike the command lt LED Filter gt see chap 4 4 2 which excludes a series of LEDs for the entire test this allows you to also work during the test analysis and exclude a series of contiguous LEDs or one single LED for a certain number of thousandths of seconds Let s suppose that a patient drags his foot during a treadmill gait test If you want to delete the series of LEDs for those 2 seconds press and hold down CTRL and click on the first wrong LED and without releasing the CTRL and mouse keys drag it to the second LED of the segment a red area indicates th
106. st 1 bar with interface RX 1 bar with interface TX Optional for linear multiple meter systems n additional RX bars Optional for linear multiple meter systems n additional TX bars USB cable for PC connection 5 m Single Meter 1 power supply certified for medical use connection cable for second bar Linear Systems 2 power supplies certified for medical use for recharging and current supply 2 professional webcams 2 USB cable extension cords 5m 2 webcam tripods Single meter bag or trolley for 2 to 5 meter systems Quick installation guide hard copy USB stick containing software and user guide Kits usually sold are List of Accessories Single Meter Kit Single Meter Kit predisposed for the addition of more meters EM Additional Meter Kit 5 Meter Kit 10 Meter Kit Gest Logitech Pro 9000 webcam Digipod TR 257 tripod 220V FRIWO DT 50 FW 7405M 24 power supply certified for medical use Microgate Srl Pag 8 di 133 EYMICROGATE OPTOGAIT 1 1 SINGLE METER In this configuration Optogait allows already to carry out various test types 1 1 1 JUMP TEST A series of exercises squat jump counter movement jump drop jump continuous jumps jumps on one leg etc and protocols Drift for dynamic stability 5 Dot Drill for reactivity and endurance Single Leg Three Hops to verify the bending capacity and stability of the knee are pre configured At the same time the user can easily create
107. st the patient must be inside the area of the bars or outside the area in the other two Stop type cases this field does not appear e Number of Jumps appears only if the Stop type Status change and specifies how many times the patient must jump 1 to 99 e Test length appears only if Stop type End of Time and specifies how many minutes seconds the test must last 00 01 to 09 59 Secondary Parameters e Minimum contact time ms allows you to set a minimum contact time in milliseconds if the contact time is shorter it is considered incorrect so if the system registers a contact time shorter than this value the time is added to the associated flight time usually the previous one This control can be enabled disabled by inserting the value O e Minimum flight time ms allows you to set a minimum flight time in milliseconds if the flight time is lower it is considered incorrect if the system registers a flight time shorter than this value the time is added to the associated contact time This control can be enabled disabled by inserting the value 0 e Maximum flight time ms allows you to set a maximum flight time in milliseconds if the flight time is higher it is considered incorrect if the system registers a flight time longer than this value the time is not considered Microgate Srl Pag 45 di 133 EYMICROGATE OPTOGAIT 4 2 2 3 REACTION TIMES Main Parameters e Start type Indicates w
108. t type and execution date e VCR player with slider and commands for managing the acquired video s e command buttons for activating various functions e lt Back gt button to close the mask View and go back to the Test list total test data On the right there are 4 types of information regarding the current test each set of information can be shown hidden using the configuration commands The items from top to bottom are the following e Videos acquired by one or two webcam s if the webcams are not connected when the test is performed a fixed image with the Microgate logo will appear e Charts displaying the results it is possible to choose the chart type lines or bars and the measurement to be displayed times heights powers etc Microgate Srl Pag 62 di 133 EYMICROGATE OPTOGAIT e Table with numerical data a grid with various lines and columns displays actually acquired data and calculated data at the bottom of the table statistical and aggregated data are displayed average minimum maximum etc e OptoGait bars displays the n number of bars connected at the time the test is carried out and which LEDs turn on during the test The table shows the list of all the external flight and contact times acquired during the test The data has been processed to obtain further information such as jump heights energy developed power etc See chap 5 1 In the case of Sprint Gait test step length speed and acceleration
109. tallation Microgate Srl Pag 15 di 133 E YMICROGATE OPTOGAIT OPRTOGEII UptoGait has been successiully installed Click Close to exit Please use Windows Update to check for any critical updates to the NET Framework Cancel Back Figure 7 Installation completed By clicking on lt Close gt you exit the installation procedure During the entire installation procedure it is possible to return to the previous window by clicking on lt Back gt Microgate Srl Pag 16 di 133 EYMICROGATE OPTOGAIT 2 2 DESCRIPTION The welcome screen of the OptoGait software shows a horizontal bar with the most important menu items and an area with News and Events which are automatically updated from the web site www Optogait com in the appropriate language In case of missing Internet connection the information will not be downloaded it is also possible to deactivate the Internet connection with a configuration parameter see chap 4 4 1 7 Click on a news title or an event to open the complete description in a browser window SE IT eee News Events New software version 1 2 16 07 2010 The new 1 2 software version with many new features is available Case Study about Optojump Com portal 1401 2010 Kentico a famous Software House in the CMS branch publish a case study about our portal optojump com New Photogallery and Videogallery 12 10 2009 Two new photo amp videogallery are online
110. ter editing in a Test Definition when tests have already been performed with this definition TIP With respect to Fig 37 the button is called lt Apply gt and not lt Save gt Now it is possible to decide whether this change should be applied to future tests press lt NO gt or if the change should be applied to all tests performed with this type overwriting possible custom values set in the single tests in the latter case press lt YES gt Microgate Srl Pag 42 di 133 E YMICROGATE OPTOGAIT Apply changes to all saved tests Figure 40 Confirming the parameter application to tests that have already been performed Microgate Srl Pag 43 di 133 EYMICROGATE 4 2 2 1 1 Parameter Template OPTOGRIT The Template field allows setting of secondary test parameters in the definition but also at test level following common usage cases Let s suppose for example that a gait test is carried out on a modular system with the athlete performing very short strides typical of people who have had an injury or shuffling the tip of the advancing foot Instead of trying to change the parameters striving to find the best filter setting you can choose one of the existing templates i e shuffling gait with parameters set automatically on the basis of our experience At present the templates apply only to the run gait tests with modular systems but in the future the concept will be extended to all test types and it
111. ter invalid times afterwards Correct installation can be checked using the OptoGait bars Test see chap 4 4 2 Microgate Srl Pag 111 di 133 E YMICROGATE OPTOGAIT 5 4 VIDEO ANALYSIS n P Figure 110 Video Analysis To analyze a still video picture double click with the mouse on the video window In a Compare analysis or in a test where two webcams are used use CTRL double click to edit the two images Available commands are the following from top to bottom e Delete all e Load an image stored on disk e Save the image on disk in BMP format e Save the image in the report you will be asked to name the image which will be appended at the end of the report e Save the added graphical elements grids rows angles texts etc as overlay in the video e Delete the items added with the previous command as overlay of the video e Select items To select more than one item keep CTRL pressed e Pan Moves all added items e Move Moves the selected item e Undo e Redo e Set the current color e Set the font and other text features e Draw a grid with the set features on the image e Sample ruler allows to set a known length e g the height of a step e Draw single line e Draw connected lines ESC to close the drawing e Draw circumference through two points e Draw center radius circumference e Draw two point arc e Draw center radius arc Microgate Srl Pag 112 di 133 EYMICROGATE OPTO e Draw thre
112. ter quality and fluidity of videos we recommend using a brief exposure time such as 1 100 or 1 200 and then adapting gain to obtain the correct image exposure neither too bright nor too dark We recommend not setting Auto which could slow down the movie clip acquisition With lt Device gt you can recall the control panel of the webcam s standard driver lt Default gt sets the standard value pre defined by the manufacturer Microgate Srl Pag 87 di 133 G YMICROGATE OPTOGAIT Figure 88 Basic Panel for Webcam configuration Press the Advanced button to display other commands e Zoom allows you to apply a digital zoom via software e Contrast Brightness Saturation Sharpness allows you to adapt the image it is advisable to move the corresponding cursor to test the effects of the command e White Balancing is useful when working in closed rooms with very warm lights e g tungsten which gives a yellowish hue or very cold lights e g neon which gives a bluish hue You should something neutral e g a sheet of paper and then remove any dominant colors using the cursor e Focus allows you to focus manually in those rare cases when the autofocus does not work Figure 89 Advanced Panel for Webcam configuration Remember to save changes by pressing lt Confirm gt Microgate Srl Pag 88 di 133 EYMICROGATE OPTOGAIT Other video related configurations are e End of time video acquisition s this
113. test E g for Up amp Back 8 328 8 565 8 328 The fatigability index is calculated using the average of the first 6 contact time values and compared to the average value of the last 6 contact times Avg_Last_6_Ct Avg_First_6_Ct Fatigability Avg First_6_Ct Microgate Srl Pag 122 di 133 GYMICROGATE OPTOGAIT 6 3 GG PROTOCOL This protocol whose name is based on the initials of its inventors is made of the following test series with the object of an initial athlete evaluation to be used during scouting phase Treadmill Gait Test at 5 kmh usually for 30 seconds Squat Jump with both legs 5 jumps Squat Jump with the right leg 5 jumps Squat Jump with the left leg 5 jumps Ski Test 15 seconds Sound reaction test with the left leg 3 times eae Ri RS Sound reaction test with the right leg 3 times At the end of the protocol a report summarizes the main test data highlighting possible asymmetry and differences between the right and left leg GG PROTOCOL 16 03 2011 15 00 13 Athlete Last name Rossi First name Pierluigi Birth date 23 02 1985 Gender M Weight To Height 181 Foot size 42 Notes some notes readmill Gait Analysis at 3 mph or 5 Km h L R Delta Stance s 0 693 0 668 3 6 Swing s 0 271 0 287 5 9 SquatJump 2 legs 5jumps Average Power jumps 2 3 4 W Kg 19 96 Knee angle Deg 75 SquatJump Single Leg 5 Jumps L R Delta Average Power jumps 2 3 4 W Kg 1
114. the module Results View or Compare Test it is not possible to view charts and the table with numerical data simultaneously either one or the other furthermore the bar display is disabled In the configuration panel the VCR Player control for the video is hidden 4 4 1 7 NEWS amp EVENTS As described in chap 2 2 when the software is launched a series of news and events are displayed on the homepage which are updated in real time via the website www OptoGait com If the computer is not connected to the Internet the detection of missing connectivity may take a few seconds For PCs that are permanently disconnected from the Internet e g fixed stations on the training field without Internet it is useful to disable the updating of news and events to prevent the updating timeout News amp Events Activation Disabled Microgate Srl Pag 90 di 133 EYMICROGATE OPTOGAIT 4 4 2 OPTOGAIT HW TEST In this section the connected hardware OptoGait bars and or webcam can be checked Opening the function if the webcam s is are connected the live image should be displayed If one or both images do not appear check that they have been selected in the Basic Configurations Video or that the drivers have been installed correctly To check the connection with OptoGait bars press lt Execute gt to start the test The test continues until lt STOP gt is pressed If there are no interrupted LEDs the test ends with a positive r
115. the values and charts referred to are always displayed at the top Microgate Srl Pag 82 di 133 GYMICROGATE OPTOGAIT 4 3 3 HISTORY The History section allows you to analyze a patient s progress by graphically and numerically analyzing a series of tests Select two or more tests generally of the same type or uniform in order to ensure plausible data and press lt History gt It is possible to first decide the sequence with which to view the progress in usually chronological by clicking on one of the column headers e g Date and then clicking on the lt History gt button TEST ANALYSIS D e SmithJohn 10M OJN 280512009 15 03 46 smith John 10m OJN 6 05 2009 15 11 04 Se Um OJA O WUNI 13 11 04 Smith John 10m OJN 23 05 2009 15 35 42 Figure 81 History analysis of three tests ordered by data Pressing lt Configure gt allows you to choose which value to consider for progress analysis it is possible to select one of the number of jumps or the average best worst or standard deviation value If the tests had a defined starting foot it is possible to view the data and progress graphs for only one foot or the difference of both feet Clicking on the column headers data are ordered by measure and the graph is updated This is very useful for example to order the team members from the worst to the best value of any parameter e g from the slowest to the fastest in a 12 m sprint test It is possi
116. ump back to the starting point 5 Repeat 5 times 6 times in total Right Foot 1 Your feet are now on A and B 2 Jump on C with your right foot 3 Jump with your right foot on D E C A B 4 Repeat 5 times 6 times in total Left Foot 1 The previous exercise ends with your right foot on B 2 Now jump on C with your left foot 3 Jump with your left foot on D E C A B 4 Repeat 5 times 6 times in total Both Feet 1 The previous exercise ends with your left foot on B 2 Jump with both feet on C 3 Jump with your left foot on D E C A B 4 Jump back to the starting point 5 Repeat 5 times 6 times in total Turn Around SoS Ie The previous exercise ends with both feet on B Jump with both feet on C Jump putting one foot on D and one on E just like in exercise 1 Turn around clockwise 180 your feet will still be on E and E Jump on C with both feet and then with one on A and one on B Turn again around to the left anti clockwise 180 and start again Repeat 5 times 6 times in total Microgate Srl Pag 120 di 133 Less than 50 seconds Super Quick 50 60 seconds Great 60 70 seconds Average EYMICROGATE OPTOGAIT Even though this is a single test it must be carried out as PROTOCOL PATIENTS mm RESULTS because this allows to have a particular print report showing the level Patients based on the following table en Test DOT DRILL STANDARDS 5 DOT DRILL Protocol
117. uring the execution if show is chosen it is possible to choose which values to display Flight times Contact times Height Power Pace etc and how bars or lines o Grid shows hides the white dotted lines forming a grid on the chart o Labels displays hides the labels for the numerical values on each spot of the chart o View displays the last n number of acquired data items e Data o Data shows hides the numerical data table with its lines and columns e Video o Video shows hides the videos acquired by the webcam Microgate Srl Pag 38 di 133 EYMICROGATE OPTOGAIT 4 2 2 DEFINE EDIT TESTS In this section the definitions of the tests to be performed can be defined or edited You can view the list of tests pre defined by Microgate in italic or those you have added yourself in the grid in the example below MY treadmill gait test is a test added by the user GAIT TEST MY TREADMILL GAIT TEST MY TREADMILL GAIT TEST Testy ts Treadmill Gait Test Figure 35 Define Edit Tests If the mouse is pointed on a test its characteristics which are those that will be used to define a new one will be displayed By pressing lt New Test gt the section for defining a test is opened The fields necessary for defining a test are the following e Name name identifying the test type e g left foot monopodalic or continuous jumps 30 seconds etc e Test Type this type indi
118. will be possible to extend the template library via software upgrades The parameters changed by these first templates are those highlighted in the figure below Minimum contact time ms imam move e External signal holdoff ms beat Split 1 at Distance cm Split 2 at Distance cm Test timeout ms ord step speed reference mis 6th step speed reference m s Sth step speed reference m s Shuffling a Normal Walking Short Steps Walking Short Steps Walking Tip Tip Figure 41 Parameters Template Microgate Srl Pag 44 di 133 GYMICROGATE OPTOGAIT The available fields for the different test types are the following 4 2 2 2 JUMP TEST Main Parameters e Start type Indicates if the start of the test must take place with a status change i e entering or exiting the bars or with an external impulse coming from the jack sockets start button signal light etc e Start indicates if at the beginning of the test the patient must be inside the area of the bars or outside the area e Stop type As for the start the end of the test can take place because of a status change or an external impulse or in the case of time tests the end of the test time e g a test Jumps 15 seconds will have the Stop type End of Time e Finish for the Stop type Status change it is necessary to specify if at the end of the te
119. with a resolution of 3 cm At the beginning of the test the software prompts to extend one arm upwards closing the bar contacts red led to measure the athlete s height it is recommended to carry out the measuring holding the hand near one of the two bars If the test must be repeated several times with the same bar setup it is useful to save the measurement of course if the bar height changes the measure must be changed Then the athlete can jump from a standing position e g touching the wall with the attached bars or with run up through the virtual portal created by OptoJump maybe simulating a complex athletic gesture like for example a volleyball spike The software displays the jump height as difference between the two measures Figure 124 How to carry out a height measurement Figure 123 VERTEC LIKE test setup Microgate Srl Pag 128 di 133 G YMICROGATE OPTOGAIT 6 6 SKI TEST This test must be carried out with both feet parallel to the bars jumping sideways from one foot to the other usually for 15 seconds The main objective is to compare the contact and flight times as well as the power of the right and left foot Figure 125 Ski Test side jumps from one foot to the other 00090 11 12 02 06 04 2011 OP TOGEAIT 0 18 66 0 476 Sin EH SiN 056 pyd 064 Si 0 055 Dx 0 056 di DO 020 059 Si 0 057 D 056 D i 0 038 a D I D 035 sirp 041 Dx 7 048 D 038 sir 057 P0 052 SirP
120. yed as a yellow dot if you can not see 10 dots per leg some might be superposed the two large red and green dots left and right represent the athlete s tendency to move into a certain direction e g upwards to the right whereas the dotted triangle indicates the stability area The position of the red and green dots with reference to the origin of the two Cartesian axes gives a first indication of the athlete s average landing point compared to the starting point As these are average data their position could be misleading for example given the absurd assumption that an athlete carries out a perfectly central jump two completely to the right and two completely to the left with two displacements of exactly the same entity the dot will be placed exactly in the center giving the impression that the athlete always jumped perfectly But in this case the rectangle with the dotted area representing the standard deviation of jumps can be helpful The larger the displayed area more has the athlete drifted moving away from the point of origin when landing and as a consequence his dynamic stability is lower Microgate Srl Pag 117 di 133 EYMICROGATE LIZ TOGAIT rift Protocol Average Height cm Average Power WiKg Average Contact Time s Average Flight Time s Average LEFT RIGHT Drift cm Average FRONT BACK Drift cm Standard Dev LEFT RIGHT Drift cm Standard Dev FRONT BACK Drift cm L 12 1 11 52 0 640 0 313 4

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