Question

Explain muscles contraction

Answer 1

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.

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Answer 2

Explanation:

.Muscle contraction is the activation of tension-generating sites within muscle fibers. ... Muscle contractions can be described based on two variables: length and tension. A muscle contraction is described as isometric if the muscle tension changes but the muscle length remains the same.