Athetosis and chorea are two types of involuntary movements that can occur in children and adults with neurological conditions, such as cerebral palsy. The movements have different features, and the ...

Dystonia is a movement disorder that causes muscles to contract involuntarily, often leading to repetitive or twisting movements in different parts of the body. While the condition is not typically ...

There is something uniquely unsettling about waking up in the middle of the night with a sharp pull in the calf. One moment ...

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways Muscle rigidity can happen when muscles are overused or not ...

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 ...

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 ...

Tardive dyskinesia (TD) is an involuntary movement disorder caused by long-term dopamine-blocking medications. Prolonged use may create chemical imbalances in brain areas controlling movement.

The case description for a Case Records of the Massachusetts General Hospital appears below. What is the diagnosis? Cast your vote. The correct diagnosis, along with the full description of the case ...