This decreased reciprocal inhibition is due to reduced presynaptic inhibition of the muscle afferent input onto the inhibitory Ia interneuron innervating the muscle antagonist to the input.

传入性肌肉内神经节突触前抑制作用的减弱影响了那些支配拮抗肌传入性的中间神经元对拮抗肌的抑制作用，导致了这种互相抑制作用的衰减。