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10 Cards in this Set
- Front
- Back
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Functions of Muscles |
movement, stability, control of body openings and passageways, heat production, and glycemic control
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Origin
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bony attachment at stationary end of muscle
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Belly
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thicker, middle region of muscle between origin and insertion
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Insertion
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bony attachment at mobile end of muscle
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Action
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the effects produced by a muscle (to produce or prevent movement)
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Four categories of muscle function
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prime mover, agonist, synergist, antagonist, fixator |
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Prime mover
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muscle that produces most of the force during a joint action
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Synergist
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muscle that aids the prime mover by stabilizing nearby joints or modifying the direction of movement |
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Antagonist
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muscle that opposes the prime mover by relaxing to give the prime mover control or preventing excessive movement and injury
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Antagonistic pairs
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muscles that act on opposite sides of a joint
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