Most of the Time Whole Muscles Do Not Contract at Full

question 165

Multiple Choice

Most of the time whole muscles do not contract at full strength because

• A)only a few motor units are recruited.
• B)we tend not to need the full capabilities of our muscles.
• C)commonly the load is only the weight of our own body.
• D)the muscle fibers will use up their energy reserves and the muscle will be forced to relax.
• E)All of the answers are correct.

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