stretch reflex

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A reflex contraction of a muscle in response to sudden stretching, controlled by a reflex arc involving just one sensory nerve fibre from a muscle spindle and one motor neuron. Numerous stretch reflexes help to maintain posture against gravitational and other forces, and deep tendon reflexes are special examples of stretch reflexes. Also called a myostatic reflex. See also monosynaptic reflex, reflex.

Subjects: Science and Mathematics — Sports and Exercise Medicine.

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