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A 47-year-old member asked:

Does muscle contraction deal with muscles that are tense during working out?

1 doctor answer1 doctor weighed in
Dr. Aruna Seneviratne
Sports Medicine 27 years experience
Yes: Muscles contract or become tense when you exercise. There are 3 type of muscle contractions. Concentric = muscle length shortens as it contracts (when you do a biceps curl). Isometric=no change in muscle length (when you show off your biceps). Eccentric=muscle lengthens as it contracts (plyometric exercises such as a box jump) - best way to become stronger or treat muscle injury. Hope this helps.

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Last updated Sep 29, 2016

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