The extension of the lower leg upon striking the patellar tendon when the knee is flexed at a right angle. Knee jerk is absent in locomotor ataxia, infantile paralysis, meningitis, destructive lesions of the lower part of the spinal cord, and certain forms of paralysis. It is increased in lesions of pyramidal areas, brain tumors, spinal irritability, and cerebrospinal sclerosis. SEE: knee-jerk reflex
Venes, Donald, editor. "Jerk." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk.
Jerk. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk. Accessed December 10, 2023.
Jerk. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th ed.). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk
Jerk [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2023 December 10]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - jerk
ID - 761613
ED - Venes,Donald,
BT - Taber's Medical Dictionary
UR - https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk
PB - F.A. Davis Company
ET - 24
DB - Nursing Central
DP - Unbound Medicine
Try the app for free!
1. Download the Nursing Central app by Unbound Medicine
2. Select Try/Buy and follow instructions to begin your free 30-day trial
You can cancel anytime within the 30-day trial, or continue using Nursing Central to begin a 1-year subscription ($39.95)
Your free 1 year of online access expired .
Want to regain access to Nursing Central?
Log in to Nursing Central
If you need further assistance, please contact Support.