During skeletal-muscle contraction,the distance between the Z lines of a sarcomere decreases because of shortening of the filaments.

Name: During skeletal-muscle contraction,the distance between the Z lines of a sarcomere decreases because of shortening of the filaments.
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Question

Quizplus · Accepted Answer

During skeletal-muscle contraction, the distance between the Z lines decreases due to the sliding of actin and myosin filaments past each other, not because the filaments themselves shorten.

During Skeletal-Muscle Contraction,the Distance Between the Z Lines of a Sarcomere