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concentric contraction |
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concentric contraction, a common form of muscle contraction that occurs in rhythmic activities when the muscle fibers shorten as tension develops. Compare eccentric contraction. See also isotonic exercise. concentric contraction Sports medicine Muscle contraction that occurs while the muscle is shortening as it develops tension and contracts to move a resistance. Cf Eccentric contraction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Hence, in the initial downward motion, the longer eccentric contraction of hip joint extensors in elderly may increase concentric contraction of flexors at the knee joint, which would not significantly decrease angular displacement of the knee joint. In sports that require more stiffness, the muscle-tendon metabolic energy is converted into mechanical work in a concentric contraction. 11,17,18,21) Despite the growing body of evidence for the role of the supraspinatus muscle in producing shoulder external rotation during concentric contraction, anatomy books rarely attribute this action to the supraspinatus muscle. |
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