October 7, 2015
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Definition of Twitching

Twitching: : Involuntary contractions of groups of muscle fibers. Also known as fasciculations. Fasciculations can occur in normal individuals without an associated disease or condition and can also occur as a result of illness, such as muscle cramps, nerve diseases, and metabolism imbalances.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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