FiTour Basic Physiology Questions And
Answers
All or none law of skeletal muscle contraction Given a threshold or Supra threshold
stimuli, a muscle fiber will contract all the way or not at all.
Sliding Filament Theory The actin slides over the myosin pulling the ends of the
sarcomere toget...
All or none law of skeletal muscle contraction Given a threshold or Supra threshold
stimuli, a muscle fiber will contract all the way or not at all.
Sliding Filament Theory The actin slides over the myosin pulling the ends of the
sarcomere together creating a contraction and shortening the muscle.
isometric contraction A muscle contraction in which the force of the muscle is greater
than the resistance, resulting in joint movement with shortening of the muscle..
Concentric Phase A shortening of the muscle as a result of its contraction
Eccentric Phase A lengthening of the muscle during its contraction; resists movement
caused by another force
isometric contraction A muscle contraction in which the muscle length is unchanged.
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