简介：Toinvestigatetherelationshipbetweensurfaceelectromyographyandsubjectiveassessmentofmusclefatigue,20youngmalevolunteersparticipatedintheexperimentofpistolholdingandaiming.sEMGoftheanteriordeltoidwasrecordedduringtheentireprocess,whilefatigueassessments(Borgscale)werecollectedevery30s.Wedividedthesignalintoseveralpartsandthenoctavebandmethodwasusedtocalculatemeanenergyofeachpart,anequationwasderivedbasedontherelationshipbetweenthemeanenergyofsEMGandBorgscale.Theresultsshowedthatthedegreeoflocalmusclefatiguecouldbedescribedbyacubiccurve,andcouldbeusedtoevaluateandmonitormusclefatigue.
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