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20 Cards in this Set
- Front
- Back
What are the 3 muscle types?
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cardiac smooth |
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Which muscle is found in hollow organs? |
smooth |
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The digestive system, blood vessels and urinary system are examples of what muscle type? |
smooth |
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What are muscles that you don't control called?
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involuntary muscle |
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Which types of muscles are involuntary? |
smooth muscles |
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Which muscles have no striations? |
smooth (striations are like stripes) |
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Which type of muscle has intercalated disks? |
cardiac |
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What type of muscle makes the heart? |
cardiac |
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Skeletal muscle characteristics:
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many nuclei - brain of cell voluntary found attached to bone |
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Cardiac muscle characteristics:
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uninuclei involuntary found in the heart |
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Smooth muscle characteristics: |
involuntary uninuclei found in bags & tubes (blood vessels, respiratory ducts, digestive organs & iris of eye) |
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Functions of skeletal muscle system: |
maintaining posture stabalizes joints generates heat by shivering |
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Connection muscle to skeletal system: |
origin - immovable bones |
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What is contraction? |
movement of insertion towards the origin |
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Interactions of skeletal muscles: |
flexor - extension adduction - abduction pronation - supination |
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What is the prime mover? |
muscles that provide major contact for providing specific movement |
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What is the antagonist? |
muscle that opposes (stops) a particular movement - opposite side of the joint |
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synergist |
promotes and reduces undesired movements |
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fixator
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a synergist muscle that immobilizes the bone |
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