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Unformatted text preview: of the myofibrils thus shortening of the muscle fibers. 3. Skeletal contractions. a. Produce movements of bones at joints b. Complete Tetanus, when theres a continuous smooth substained muscle contraction. c. Isometric contraction. Muscle length remain constant, resisting the force. d. Isotonic . change in muscle length i. Concentric contraction. Contract your biceps. curls ii. Eccentric. Lengthens, letting go of the curls e. Thick and thin filaments, contractile f. Non contractile: connective tissue, vessels, fat and cell structures, elastic 4. Cross Bridges. a. Sliding of the filaments, extend the thick filaments toward the thin filaments. ( myosin protein helps form the thick filament....
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- Spring '11