quadriceps jerk
Look at other dictionaries:
jerk — 1. A sudden pull. 2. SYN: deep reflex. ankle j. SYN: Achilles reflex. chin j. SYN: jaw reflex. crossed j. SYN: crossed reflex. crossed adductor j. SYN: crossed adductor reflex. crossed knee j. SYN: crossed knee reflex. elb … Medical dictionary
jerk — n. the sudden contraction of a muscle in response to a nerve impulse. The knee jerk (see patellar reflex) is the reflex kicking movement produced by contraction of the quadriceps muscle of the thigh after it has been stretched by tapping the… … The new mediacal dictionary
Knee jerk — The reflex tested by tapping just below the knee causing the lower leg to suddenly jerk forward. What is tapped to elicit this reaction is the patellar tendon, the tendon that runs down from the quadriceps muscle in the front of the thigh, over… … Medical dictionary
knee jerk — noun a reflex extension of the leg resulting from a sharp tap on the patellar tendon • Syn: ↑knee jerk reflex, ↑patellar reflex • Hypernyms: ↑reflex, ↑reflex response, ↑reflex action, ↑instinctive reflex, ↑ … Useful english dictionary
Knee jerk — (Physiol.) A jerk or forward kick of the lower part of the leg produced by a blow or sudden strain upon the patellar tendon of the knee, which causes a sudden contraction of the quadriceps muscle; the patellar reflex. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
knee-jerk reflex — ▪ medical test also called patellar reflex sudden kicking movement of the lower leg in response to a sharp tap on the patellar tendon, which lies just below the kneecap. One of the several positions that a subject may take for the test is … Universalium
knee jerk — a reflex extension of the leg, caused by contraction of the quadriceps, resulting from a sharp tap on the patellar tendon; patellar reflex. [1875 80] * * * … Universalium
QJ — quadriceps jerk … Medical dictionary
QJ — • quadriceps jerk … Dictionary of medical acronyms & abbreviations
patellar reflex — n KNEE JERK * * * the knee jerk, in which stretching the muscle at the front of the thigh by tapping its tendon below the knee cap causes a reflex contraction of the muscle, so that the leg kicks. This is a test of the connection between the… … Medical dictionary
