muscle contractions: antagonistic muscle action Flashcards

1
Q

define antagonistic pair

A

as one muscle contracts the other relaxes

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2
Q

what is the agonsit

A

the prime mover (muscle causing the movement)

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3
Q

what is the antagonist

A

muscle that opposes movement of the agonist

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4
Q

what is the rule of antagoistic pairs in the downwards phase

A

the agonist and antagonist switch
e.g. flexion at the elbow is usually agonist = biceps, antagonist = triceps
BUT
in downwards phase of a press up, agonsit = triceps, antagonist = biceps

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