Golgi tendon is innervated by which nerve fibre?
Correct Answer: Ib
Description: Ans. B IbGOLGI TENDON ORGAN is embedded within the musculotendinous junction (90%) and in the tendon itself (10%).* They are stimulated by: Increased tension at muscle tendon* Afferent: Ib fiber (myelinated).* Mediates inverse stretch reflexExtra MileReflexAfferent fiberStimulusResponseGolgi tendon reflexIbMuscle contractionRelaxation of the muscleStretch reflexIaMuscle is stretchedContraction of the muscleFlexor - withdrawal reflexII, III, and IVPain, touchIpsilateral flexion, contralateral extension* Group III/IV afferent fibers are afferent arm of cardiovascular ventilatory reflex responses which are mediated in nucleus tractus solitarius and ventrolateral medulla. They facilitate central fatigue and are important in endurance sports.
Category:
Physiology
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