Pathology
The clasp-knife response is a stretch reflex with a rapid decrease in resistance when attempting to flex a joint. However, it is actually thought to be caused by the tendon reflex of the antagonistic muscle of that joint, which gets extended. It is one of the characteristic responses of an upper motor neuron lesion.
Read more about this topic: Golgi Tendon Reflex
Famous quotes containing the word pathology:
“It is often said that Poland is a country where there is anti-semitism and no Jews, which is pathology in its purest state.”
—Bronislaw Geremek (b. 1932)