Involuntary muscle movements happen when your body moves without you intending it, like with tics or tremors. The causes of involuntary movements can be chronic conditions, nerve damage, drug ...

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 ...

Dystonia and chorea both describe sudden, involuntary movements associated with neurological disorders. However, people with dystonia display repetitive movements that follow a pattern while chorea ...