For skeletal muscles to contract, it is necessary to have stimulation by impulses from motor nerves. Muscles perform in groups. List the three classifications of muscles that work together to perform movement and describe their actions
What will be an ideal response?
Antagonist is a muscle that counteracts the action of another muscle.
Prime mover or agonist is a muscle that is primary in a given movement. Its contraction produces the movement.
Synergist is a muscle that acts with another muscle to produce movement.
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Fill in the missing word in the definition for the key term.
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?
The most important variable relative to the amount of caloric expenditure is
a. frequency b. intensity c. time d. type