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 ...

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

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.

John Davidson, a man with Tourette Syndrome who was the subject of the film I Swear, involuntarily yelled a racial slur during the BAFTA broadcast, and we're explaining what the condition is ahead ...

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 ...