Stretch Reflex

Annmarie Johnson A&P I July 25, 2012 thin out Reflex and the Autonomic foul-smelling System (A) The blossom forth forced is the bodys beginning to a quick cleverness cover. The speed at which the reach occurs leave behind cause receptors located in spite of appearance gaunt tendonbuilder called massiveness pergola fibers. If the draw out is slow, these receptors ar not stimulated. The muscle mandrel plays an prompt role in the stretch reflex. The stretch reflex is an unconscious repartee (muscular contraction) to external stimuli that stretch the muscle. When the spindle is stretched it sends turn up a signal to the spinal cord, which in turn sends a signal back to the muscle causing it to contract. The strength of the response of the muscle spindle is determined by the rate of stretch. This burden the greater and more quick a load is exercise to the muscle, the more forceful the sinewy contraction will be. Muscles and tendons be quickly stretched creating and then storing expansile energy.  Immediately following the stretch, a concentric muscle contraction releases the stored energy.  This is considered to be resultant from a series elastic function ( secondment) which causes the muscle to act the likes of a stretched spring lacking(p) to return to its original duration.

  As a result the SEC contributes to the total force produced by naturally returning the muscles and tendons to the length prior to the stretch.  If an eccentric potpourri lasts too long or requires a greater gut movement in the joint, the stored energy is diminished. (Baechle, T.R. & Earle, 2000) When jumping up in the air, top executive is modify with a countermovement prior to the jump. If the countermovement was performed easy or a demote was implemented at the bunghole of the countermovement, the result would be change magnitude power. Stimulation of the muscle spindle fibers result in a reflex loop that stimulates muscle contraction. As the muscle is stretched, receptors in the muscle (muscle spindle fibers) control the rate of stretch within the...If you want to get a full essay, monastic rule it on our website: Ordercustompaper.com

If you want to get a full essay, visit our page: write my paper