myotonia
Pronunciation: mī′ō-tō′nē-ă
Definition: Delayed relaxation of a muscle after a strong contraction, or prolonged contraction after mechanical stimulation (as by percussion) or brief electrical stimulation; due to abnormality of the muscle membrane, specifically the ion channels.
[myo- + G. tonos, tension, stretching]
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Examples: glitazone, GI cocktail, etc.

