Muscle, reflex, walking

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Department
Biomedical Science
Course
BMS 360
Professor
Douglas Ishii
Semester
Spring

Description
17 FebruaryFigure 104Extrafusal muscleSkeletalIntrafusal muscleEmbedded in extrafusal muscleAka spindle fibersStretch receptors around themFigure 105Passive stretchHold weight passivelyMuscle stretchesNerve terminals contain stretch receptorsStretch increases firing frequencyTells how much muscles are being stretchedContractLift weightMuscle contractsIntrafusal muscle slackensaction potential goes down slackensLower muscle neurons within spineContraction based on alpha motor neuronsGamma motor neurons to spindle fibersFireincrease tension on spindle fiberNo longer slack
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