autogenic inhibition

autogenic inhibition

A sudden relaxation of muscle in response to high-magnitude tension, which is an autogenic inhibitory negative feedback lengthening reaction that protects muscles against tearing.
 
Reflex receptor
Golgi tendon organ.

au·to·gen·ic in·hib·i·tion

(aw'tō-jen'ik in'hi-bish'ŭn) A protective mechanism of the Golgi tendon organ, whereby a sudden stretch in a muscle causes a reflexive activation of the antagonist muscle and relaxation of the agonist.