Compléter A&P Stretch reflex unit 2Version en ligne Unit 2 for A&P par Kirsten Storemski 1 interneuron contraction coordination neurons posture directly motor alpha center neurons gamma muscle center sensory central fibers central muscle muscle motor specialized tension spindle In the stretch reflex , sensory receptors are . They are a muscle fiber . Contractile ends are innervated by . These neurons can contract to pull on the of the fiber . This maintains of portion of spindle during muscle contraction . In the stretch reflex , the of the fiber is sensitive to tension . The sensory fiber synapses with which innervate the muscle in which the muscle spindle fiber is found . There is no in this reflex . Stretching of muscle will ultimately result in the of the same . This reflex is important in and .
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