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jerk

(jĕrk)

A colloquial term for reflex.

Achilles jerk

SEE: Achilles tendon reflex.

ankle jerk

SEE: ankle clonus reflex

biceps jerk

SEE: biceps reflex

elbow jerk

SEE: Triceps reflex.

jaw jerk

SEE: Chin reflex.

knee jerk

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

tendon jerk

The contraction of a muscle after tapping its tendon.

triceps surae jerk

SEE: Achilles tendon reflex.

jerk is a sample topic from the Taber's Medical Dictionary.

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Citation

Venes, Donald, editor. "Jerk." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk.
Jerk. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk. Accessed June 24, 2019.
Jerk. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761613/all/jerk
Jerk [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 June 24]. 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 - 23 DB - Nursing Central DP - Unbound Medicine ER -