Quick Reference
n. the sudden contraction of a muscle in response to a nerve impulse. Examples are the ankle jerk and the knee jerk (see patellar reflex). Eliciting these and other jerks is a means of testing the nerve pathways, via the spinal cord, which are involved in reflexes.
From: jerk in Concise Medical Dictionary »
Subjects: Medicine and Health.
Related content in Oxford Index
Reference entries
Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.