WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

Knee-Jerk Reflex

Definition:

The knee-jerk reflex, also known as the patellar reflex, is an automatic response of the leg muscles that occurs when the patellar tendon just below the kneecap is tapped. It is a rapid, involuntary movement that is mediated by the spinal cord, helping to maintain balance and coordination.

Sense 1:

Noun: An involuntary contraction of the leg muscles in response to a tap on the patellar tendon.

Example sentence: The doctor tested her knee-jerk reflex by tapping below her kneecap, causing her leg to kick forward spontaneously.

Related Products: Knee-Jerk Reflex Hammer

Sense 2:

Adjective: Describing an immediate or unthinking reaction without consideration or analysis.

Example sentence: His knee-jerk response to criticism was to become defensive and deny any wrongdoing.

Local Usage:

In some regions, the term "knee-jerk reflex" is colloquially used to refer to a display of easily triggered or exaggerated emotions.

Example sentence: When discussing controversial topics, the residents of that small town often showcased their knee-jerk reflexes, leading to heated arguments and tense situations.

Related Products: Books on Emotional Intelligence