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UNIT 7 Muscles and Muscle Tissue Chapter 9

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UNIT 7 Muscles and Muscle Tissue Chapter 9

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    1. UNIT 7 Muscles and Muscle Tissue (Chapter 9) Skeletal Muscle Physiology I (7th edition)

    2. SLIDING FILAMENT THEORY (of skeletal muscle contraction) - An Overview (fig. 9.6) the myosin heads of the thick filaments attach to the actin in the thin filaments, and then pivot to pull thin filaments inward toward the center of the sarcomere; this leads to the H Zones disappearing, the I bands becoming smaller, and the sarcomere becoming shorter; the A band is unchanged during contraction

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