<prompt> Golgi tendon is innervated by which nerve fibre?IaIbIIIII  <response>: 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 IIIIV 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. 