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| Description: A (usually) monsynaptic ipsilateral segmental reflex contraction of a muscle in response to stretching of an attached tendon or of the muscle itself; the receptors involved are golgi tendon organs and muscle spindles respectively; the stretch reflex is fast and has a fast onset and offset; it is important in anti-gravity responses; keeping the limbs extended so that one does not fall down; gravity exerts tension on the extensor muscles and they contract and keep the limbs straight.
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