Exercise in which muscles shorten then normal size is called_______________________?
Correct answer: C. Concentric contraction
- A. Isometric contraction
- B. Eccentric
- C. Concentric contraction
- D. All above
Explanation
A concentric contraction occurs when a muscle shortens while producing force, such as the biceps lifting a weight. Eccentric contractions lengthen under tension, and isometric contractions produce force without changing muscle length.
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