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ID:41181406
大小:1.65 MB
页数:36页
时间:2019-08-18
《ACTIVEMOVEMENT-KSU:主动运动-堪萨斯州立大学》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、IsometricexercisesDefinition:Isstaticformofexercisewithoutchangeinthelengthofthecontractingmuscleandwithoutvisiblejointmotion.Staticcontractionproduceagreatamountoftensionandforceoutputonthecontractingmuscle.Duringisometriccontraction,strengthwillincreaseifitissustain
2、edagainstresistanceforatleast6seconds.inordertodevelopstrengththroughouttheROM,resistancemustbeappliedinseveralpositions.Theamountoftensionproducedduringtheisometriccontractionisdirectlyaffectedbythelengthofthemuscleofthetimeofcontraction.Thereforetheamountofresistanc
3、ealsomustbevaryatdifferentpointsintherange.-Resistancecanbeappliedeithermanuallyormechanically.ExamplesofIsometricregimensBriefmaximalisometricexercise:inwhichthepatientperformsasinglesisometriccontractionisheldfor5to6seconds.Briefrepetitiveisometricexercise:inwhichth
4、epatientperformsfivetotenbriefmaximumisometriccontractionagainstresistance.Multipleisometricexercise:inwhichthepatientperformstheisometricexerciseagainstresistanceappliedevery10degreesintheROMandholdfor10seconds.ThistypeofexerciseimprovemusclestrengththroughtheROMEqui
5、pmentusedwithisometricexercise1-Freeweightsandpullysystem2-Isokineticdevices3-Liftingaweightthatprovidesresistancegreaterthantheforceofthemuscle4-whenthepatientperformstheexerciseagainstfixedobjects(pushingawall)Principles1-DeterminethepointintheROMatwhichthemusclecon
6、tractionistooccurandsetthepatientupaccordingly2-Appropriatestabilizationisneedtoavoidsubstitution3-Instructthepatienttocontractthemuscle,holdaleast6seconds,thenrelaxandrepeat4-HavethepatientcarryouttheexerciseatseveralpointsintheROM5-Makesurethatthepatientexhaleswhile
7、exertinghismaximumisometricexerciseACTIVEMOVEMENTDefinition:MovementperformedwithintheunrestrictedROMcontrolledbythevoluntarycontractionofthemuscle.ClassificationofActiveMovement1-Activeassistedexercise:Inwhichassistanceisprovidedbyanoutsideforce,eithermanualormechani
8、calwhenmusclestrengthisinadequatetocompletethemotion.2-Activefreeexercise:Inwhichthevoluntarycontractionofthemusclecanperfor
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