The flexors of the leg include all of the following except the: Question 29 options:   biceps femoris   rectus femoris   semimenbranosus   semitendinosus   saritorius Question 30   The muscle fiber arrangement of the rectus femoris is: Question 30 options:   bipennate and has greater potential for force   bipennate and creates tension through a greater range   fusiform and creates tension through a greater range   fusiform and has greater potential for force.

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Q: O Regional location Directional location Fiber orientation Muscle size Number of origins

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Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.