Tourette syndrome involves involuntary motor and vocal tics that are widely misunderstood. Learning what the condition looks ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways Involuntary muscle movements happen when your body moves without you intending it, like with tics or tremors.  The causes of involuntary movements ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. In patients with Lesch-Nyhan syndrome, the HPRT1 enzyme doesn't work properly due to mutations in ...

Cerebral palsy can cause muscle spasms and many other hypertonic symptoms. The symptoms can be treated in a variety of ways, often starting with physical therapy. Cerebral palsy (CP) is a group of ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. When we think of movement disorders, the tremors associated with Parkinson’s disease are probably what first spring to mind.

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 ...

University of Arizona researchers have revealed new insights into the neurobiological cause of the involuntary, uncontrollable movement disorders that develop in patients with Parkinson’s disease (PD) ...