Which description correctly matches concentric vs eccentr...

Which description correctly matches concentric vs eccentric contraction?

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AConcentric: muscle lengthens; Eccentric: muscle shortens

Concentric: muscle shortens while producing force; Eccentric: muscle lengthens while resisting a load

CConcentric occurs only in smooth muscle; eccentric only in skeletal muscle

DEccentric contractions require no ATP

EEccentric contractions cannot produce high force

Explanation

Concentric contractions shorten muscle (lifting). Eccentric contractions lengthen muscle while it still produces force (lowering slowly). Both involve cross-bridges and ATP use.

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Back to Deck — Muscle Contraction, Muscle Tissue & Tendons

Source: entermedschool.org

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