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Ch. 10 Muscle Tissue (Smooth (Function (Moves and propels materials…
Ch. 10 Muscle Tissue
Smooth
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Location
Walls of hollow internal organs (ex. intestines, stomach, airways, urinary bladder, uterus, blood vessels)
Skeletal
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Long, cylindrical, parallel fibers
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Cardiac
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Short, branching cells with intercalated discs between
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Contraction
Isometric
Iso = same, metron = measure
Muscle tension is less than the resistance, muscle does not shorten, no movement occurs
Isotonic
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Muscle tension is greater than the resistance, muscle shortens (concentric) or lengthens (eccentric), movement occurs
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Muscle Fibers
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Fast oxidative fibers
Medium duration, moderate movement
Fast glycolytic fibers
Short duration, intense movement
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