NASM 3 OLD

What is the primary function of muscle spindles?

To detect changes in muscle tension and cause the muscle to relax To detect changes in muscle length and rate of length change, initiating a stretch reflex To detect changes in joint position and send signals to the cerebellum To detect changes in blood pressure and regulate heart rate

Correct Answer:

To detect changes in muscle length and rate of length change, initiating a stretch reflex

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