Question

What Is Muscle Contraction And Relaxation

Answer 1

Answer:

when muscles like triceps and biceps Moves Like bulging and relaxing is bulging and relaxing is known as the contraction and relaxation.

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Answer 2

Explanation:

Muscle contraction is the activation of tension-generating sites within muscle fibers. ... The termination of muscle contraction is followed by muscle relaxation, which is a return of the muscle fibers to their low tension-generating state. Muscle contractions can be described based on two variables: length and tension.