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 ...

For the first time ever, a human has successfully received an implanted device to enable movement of the arms, hands and fingers after a paralyzing spinal cord injury. Onward Medical NV, a medical ...

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.

Alien hand syndrome (AHS) is when a single limb, usually a hand but sometimes a leg, moves involuntarily. It can signify a serious underlying issue, such as stroke or neurodegenerative disease. Share ...

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 ...

There's another advancement in the medical field in Europe thanks to artificial intelligence. This time, a 46-year-old Swiss man has regained some movement in his arm and hand after being paralyzed.

The results of an innovative study suggest electrical stimulation of the spinal cord could eventually help some of the many people disabled by strokes. Heather Rendulic had a stroke at age 23, ...

Pulses of electricity delivered to a precise location on the spinal cord have helped two stroke patients regain control of a disabled arm and hand, a team reports in the journal Nature Medicine. The ...

Deep brain stimulation may provide immediate improvement in arm and hand strength and function weakened by traumatic brain injury or stroke. Deep brain stimulation may provide immediate improvement in ...