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11 Cards in this Set
- Front
- Back
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When talking about muscle attachment sites the origin is?
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the site of muscle's attachment to the more stable bone.
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What is insertion?
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the site of a muscle's attachment to the ore moveable bone.
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when referring to muscle attachment sites the belly or the body is
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the fleshy part of a muscle located between the origin and insertion of a muscle.
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What is leverage?
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A mechanical advantage. The force created to achieve movement.
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When referring to leverage the lever is?
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a rigid structure that can move around a fixed point (called the fulcrum)
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when referring to leverage the effort is?
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the force which causes movement (ex: the muscle)
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when referring to leverage the load is
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the resistance, the force which opposes movement.
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When referring to the coordination of muscle groups the agonist is ?
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the prime mover, the muscle that contracts to produce the desired movement
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The antagonist is?
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the muscle that stretches and yields to the agonist (which is the prime mover)
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When referring to the coordination of muscle groups the synergist is?
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the muscle that prevents unwanted movement and aid in the movement of the agonist (the primary mover)
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When referring to the coordination of muscle groups the fixator is?
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the muscle that stabilize the origin of the agonist.
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