Agonist/antagonist/fixator/synergist

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8 Terms

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Agonist

The muscle responsible for causing a specific or desired action, also known as the prime mover

2
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Antagonist

The opposing muscle to the agonist, which must relax and lengthen to allow contraction of the prime mover

3
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Synergist

Muscles that contract with the prime mover to help movement

4
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Fixator

Stabilize joints in fixed position so prime mover can exert its action

5
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Isotonic contraction

Contraction allowing a muscle to shorten or lengthen while maintaining same tension

6
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Concentric contraction

Contracts and shortens

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Eccentric contraction

Contracts and legthens

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Isometric contraction

Contraction in which muscle length remains the same