Spasm is a descriptive term for an involuntary muscle contraction. When painful, spasms are often referred to as cramps. The anatomical origin of spasms always involves muscles, but the causative mechanism can be localized within the muscle or in other areas of the nervous system.
|Original language||English (US)|
|Title of host publication||Encyclopedia of Movement Disorders|
|Number of pages||3|
|State||Published - Jan 1 2010|
- Hemifacial spasm
- Muscle cramps
ASJC Scopus subject areas