The contraction phase of a muscle twitch has a shorter duration than the relaxation phase.

Name: The contraction phase of a muscle twitch has a shorter duration than the relaxation phase.
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Quizplus · Accepted Answer

The contraction phase is typically shorter because it involves the rapid interaction of actin and myosin filaments, while the relaxation phase takes longer as calcium ions are pumped back into the sarcoplasmic reticulum, allowing the muscle to return to its resting state.

The Contraction Phase of a Muscle Twitch Has a Shorter