Muscle spindles trigger the muscle to

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Muscle spindles are sensory receptors within the belly of a muscle that primarily detect changes in the length of the muscle. They convey length information to the central nervous system via sensory neurons. This information can then be used to maintain muscle tone and protect muscles from injury. When a muscle spindle detects that a muscle is stretching, it triggers a reflex contraction of the muscle, known as the stretch reflex, to prevent it from stretching too far or too fast.

Muscle Spindles Trigger the Muscle to