When we think of movement disorders, the tremors associated with Parkinson’s disease are probably what first spring to mind. However, there are other equally debilitating and much less well-known ...

Occasional leg cramps are considered common and usually harmless, especially after physical exertion, dehydration, or ...

Chorea-acanthocytosis is a rare genetic disorder of the nervous system. It causes involuntary jerks and twitches in the muscles, known as chorea, and star-shaped red blood cells, known as ...

Chorea and hemiballismus are both forms of involuntary movement disorders. Hemiballismus can cause sudden, violent, and flinging motions. Chorea can cause irregular, spontaneous, and nonrepetitive ...