A test of integrity of the nervous system also called patellar reflex and also pendular knee jerk, it is a variant of the stretch reflex in which stretching or tapping the tendon causes an upward jerk

KNEE-JERK REFLEX: "Knee Jerk Reflex is used in neurological examinations as a test."
Cite this page: N., Pam M.S., "KNEE-JERK REFLEX," in, May 11, 2013, (accessed September 20, 2021).