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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Q: My cousin was diagnosed with dystonia, what is this? A: Dystonia is a disorder of involuntary muscle contractions that may ...

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 ...

Amyotrophic lateral sclerosis (ALS) is a degenerative neurological disorder that involves the death of nerve cells in the brain and spinal cord. This, over time, leads to the brain losing its ability ...

Sometimes, people experience random muscle twitches that interrupt their normal daily activities. This is usually not harmful, but can produce discomfort. These random muscle twitches, known as ...