The Contraction of Intrafusal Muscle Fibers

question 38

Multiple Choice

The contraction of intrafusal muscle fibers

• A)Shortens the muscle spindle
• B)Is important for the detection of extrafusal muscle relaxation
• C)Is stimulated by gamma motor neuron activation
• D)Both shortens the muscle spindle and is important for the detection of extrafusal muscle relaxation are correct
• E)Both shortens the muscle spindle and is stimulated by gamma motor neuron activation are correct

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