Which term describes the ability of a muscle to recoil to its resting length after being stretched?

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Study for the Ivy Tech APHY 101 Muscle System Test. Dive into comprehensive questions with clear hints and explanations, boosting your confidence for the exam!

Multiple Choice

Which term describes the ability of a muscle to recoil to its resting length after being stretched?

Explanation:
Elasticity is the property that lets a muscle return to its resting length after being stretched. When stretched, elastic components within the muscle, including connective tissue and proteins like titin, store energy and then passively pull the muscle back to its original length once the stretch is released. This recoil happens without active contraction. In contrast, extensibility is simply the ability to be stretched; excitability is the muscle’s response to stimulation, and contractility is the ability to actively shorten. So the recoil after stretch is elasticity.

Elasticity is the property that lets a muscle return to its resting length after being stretched. When stretched, elastic components within the muscle, including connective tissue and proteins like titin, store energy and then passively pull the muscle back to its original length once the stretch is released. This recoil happens without active contraction. In contrast, extensibility is simply the ability to be stretched; excitability is the muscle’s response to stimulation, and contractility is the ability to actively shorten. So the recoil after stretch is elasticity.

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