1 Copyright2018–MotusGlobal,Inc. 7/16/18

To:From:

Re:PLAYERX’sWorkloadAnalysisDate:

2 Copyright2018–MotusGlobal,Inc. 7/16/18

Overview:Thisreportdetailstheworkloadanalyticssurroundingthereturn-to-throwingprogramandUCLruptureofPLAYERX,leadingtocessationofthrowingactivityonDATE/MONTH/YEAR.Inadditiontotheinsightsgatheredfromtheworkloadanalysis,thisreportalsocontainsacountermeasuresanalysis(CMA)thatwouldbuildupontheeffectivenessofthecurrentRTPprotocol.Specifically,thisreportanalyzesPLAYERX’selbowexposuretotwo(2)periodsofelevatedacute:chronicworkloadratios.Thetwoperiodsoftimewithroomforimprovementsurroundweekthree’s(3)aberrantworkloadspike,andduringthetransitionfromathree(3)dayperweekthrowingfrequency,toasix(6)dayperweekthrowingfrequency.TheCMAsuggeststhatstrictmonitoringoftotalone-dayworkloadinlieuofthrowcountinearlyweeksofrehabismoreeffective.Furthermore,theCMAsuggeststhatamoreconservativeincreaseinthrowingfrequencyinlaterweeksofrehabreducesrisk.

3 Copyright2018–MotusGlobal,Inc. 7/16/18

IntroductiontoWorkloadDefinitions:TheMotussleevemeasuresthepeakvalgustorqueofeachthrowmadeduringuse.Dailyworkloadisdefinedasthesumofvalgustorqueinaday.Acuteworkloadisdefinedasarollingseven(7)dayaverageofDailyworkload.Chronicworkloadisdefinedasarollingtwenty-eight(28)dayaverageofDailyworkload.Acute:ChronicRatioisdefinedastheAcuteworkloaddividedbytheChronicworkload.

Figure1–WorkloadDefinitionsofAcute,Chronic,andAcute:ChronicWorkloadRatio

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InitialAnalysis:SeenbelowinFigure2arePLAYERX’sOneDayworkloads,ThrowCounts,andresultingACRatiosstartingonDATE/MONTH/YEARthroughDATE/MONTH/YEAR.Particularly,therearetwo(2)majorexposurestohighriskperiodsofelevatedacute:chronicratios,andsubstantialexposuretomediumriskperiodsofelevatedacute:chronicratios.Thefirstexposureoccurredafter80throwsweremadeinthethirdweekofrehabwithmuchhigherintensitythanweektwo’s(2)80throwsession(green).Thesecondexposureoccurredafterthefrequencyofthrowingdaysperweekincreasedfromthree(3)tosix(6)daysperweekaroundweek’s5and6(blue).

Figure2-PLAYERX’sThrowCounts,Workloads,andACRatios.

Figure3-RiskcategoriesassociatedwithAcute:ChronicWorkloadRatio.

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CountermeasuresAnalysis(CMA):UsingthetypicalOneDayworkloadsproducedbyPLAYERX,acountermeasuresanalysiswasdevised.Theprogressionconsistedofagradualincreaseindailyloadforfive(5)weeksofthree(3)daysperweekofthrowingfrequency,toaperiodizedincreaseindailyloadforthree(3)weeksoffour(4)daysperweekofthrowingfrequency,toafinalweekoffive(5)daysperweekofthrowingfrequency.TheresultingCMAdramaticallyreducestheexposuretohighandmediumriskdaysasindicatedbytheacute:chronicratio.

Figure4–CountermeasuresAnalysis:WorkloadProgressionofOneDayWorkloadsandACRatio

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ConvertingOneDayWorkloads:Aftersolvingforthedailyworkloadsthatminimizeacute:chronicratios,theworkloadswereconvertedintodailythrowcountsforcomparisontotheinitialthrowingprogram.Eachdailyworkloadwasdividedbytheaveragevalgustorqueperthrowforhigheffortandloweffortthrows.

Figure5–ActualProgramvs.CountermeasuresAnalysiswithTotalandHighEffortThrows

Figure6–AverageTorquesforHighandLowEffortThrows

7 Copyright2018–MotusGlobal,Inc. 7/16/18

ComparingPLAYERX’sandCMAProtocols:PLAYERX’sactualthrowingprogramresultedinatotalofsix(6)highriskthrowingdayswithanACRatioabove2.0,thirteen(13)mediumriskthrowingdayswithanACRatioabove1.5,andthirty-four(34)lowriskthrowingdayswithanACRatiobelow1.5.TheCMAresultedina100%reductioninhighriskthrowingdays,a30%reductioninmediumriskthrowingdays,andadded29%morelowriskthrowingdays.Uponinspectingthedifferencesinadditionalworkloadprogressions,theCMAresultedinamoreconservativechronicworkloadprogression.Thiswasaccomplishedbyintroducingareducedprogressionofthrowingfrequencyperweek.PLAYERX’sRTPprotocolprogressedfrom3-daysperweekto6-daysperweekina8dayspan.TheCMAsuggestsaprogressionfrom3-daysperweek,to4-daysperweek,to5-daysperweek,overamoregradualperiodoftime.

Figure7–ChronicWorkloadProgressionandThrowingFrequencyProgression

Figure8–RiskDaysBetweenPLAYERX’sActualProgramandCMAProgram

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8 Copyright2018–MotusGlobal,Inc. 7/16/18