Stereotypic movement disorder is a motor disorder that develops in childhood, typically before grade school, and involves repetitive, purposeless movement. Examples of stereotypic movements include ...

Chorea gravidarum is a rare movement disorder that occurs during pregnancy. It causes involuntary, rapid, and irregular movements affecting the face, limbs, and trunk. This rare condition can have ...

Researchers have conclusively identified the genetic cause of a rare, progressive movement disorder. A rare extra-long version of a gene appears to cause nerve cells to become poisoned by toxic ...

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 ...

Choreoathetosis is a movement disorder that is usually a symptom of another underlying cause. It causes involuntary movements throughout the body. Choreoathetosis combines the symptoms of two other ...

Getting your Trinity Audio player ready... Dear Eric: I am a young adult with a movement disorder similar to Parkinson’s. It causes uncontrollable, violent, jerky, muscle movements, called dyskinesias ...

Stereotypic movement disorder is a motor disorder that develops in childhood, typically before grade school, and involves repetitive, purposeless movement. Examples of stereotypic movements include ...