Muscle Physiology Question

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q1qne123

Health Medical

University of Toronto

Question Description

I'm working on a health & medical question and need an explanation and answer to help me learn.

  • A single muscle fibre contracts in an all-or-none fashion when activated but muscles can produce a gradation of force when activated. Explain.

Explanation & Answer:
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1

Muscle Physiology

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2
Muscle Physiology
The all-or-none principle of muscle contraction based on activation is not a factor of
stimulus strength. The response of a single is dependent on the availability of a sufficient stimulus
threshold that causes a muscle fiber to fire (Sherry, 2020). When the stimulus is within certain
limits...

Whavcre (30044)
University of Maryland

Anonymous
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