Muscle Roles - Muscle Roles Many muscles are involved in a...

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Muscle Roles Many muscles are involved in a human movement: o Muscles can act as Agonists – also known as Prime Movers They are the muscles which cause the movement o Muscles can act as Antagonists cause the opposite movement to that of the agonists through reciprocal inhibition, they relax in order for the agonist to do its job another function involves the antagonist being used to slow down and/ or stop the movement this protects the ligaments in a slow, controlled movement, antagonists may contract eccentrically to help control the movement; i.e. co-contraction co-contraction also occurs during early learning of a skill, lack of skill, stabilization of muscle segments, or neutralization of unwanted functions of the agonist muscles o Muscles can act as Stabilizers They act to steady or firmly support a bone against: the pull of gravity the pull of an agonist the effect of momentum and recoil most common use is to steady or fixate the bone to which a contracting
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Muscle Roles - Muscle Roles Many muscles are involved in a...

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