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27 Cards in this Set
- Front
- Back
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what is the resistance to a contracting muscle called
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load
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if the force of contraction is greater than the load ____ occurs
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movement or isotonic contraction
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what happens to muscle length if the load is greater than the force of contraction
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does not change
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what happens to the load if the load is greater than the force of contraction
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does not move or isometric contraction
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3 types of muscle fibers
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red fibers (slow twitch) - white fibers (fast twitch) - intermediate fibers (fast twitch)
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which muscle fiber type has thin cells
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red fibers
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which muscle fiber type are rich in myoglobin
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red fibers
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which muscle fiber type contract slowly
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red fibers
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which muscle fiber type has abundant oxygen for aerobic pathway
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red fibers + intermediate fibers
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which muscle fiber type can contract for long periods of time
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red fibers
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which muscle fiber type is fatigue resistant
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red fibers
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which muscle fiber type is not powerful
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red fibers
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which muscle fiber type is used for endurance events
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red fibers
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which muscle fiber type has large cells
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white fibers
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which muscle fiber type have light colored fibers with little myoglobin
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white fibers
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which muscle fiber type contract rapidly
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white fibers
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which muscle fiber type depend on anaerobic pathway for atp
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white fibers
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which muscle fiber type fatigue easily
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white fibers
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which muscle fiber type is powerful
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white fibers
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which muscle fiber type is used for sprint type events
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white fibers
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which muscle fiber type have a reddish or pink color
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intermediate fibers
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which muscle fiber type has intermediate sized cells
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intermediate fibers
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which muscle fiber type contract quickly
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intermediate fibers
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which muscle fiber type depend on aerobic pathway for atp
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intermediate fibers + red fibers
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which muscle fiber type is fatigue resistant but less than slow twitch fibers
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intermediate fibers
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which fiber types do most muscles contain
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a mixture of all 3
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the percentage of each fiber type is ____ predetermined
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genetically
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