Voluntary muscles can be controlled by the person, like muscles in your neck and legs. Involuntary muscles work without you thinking about it, like your heart and stomach muscles. Skeletal muscles ...

Dystonia and chorea are two types of involuntary movement associated with neurological disorders. Dystonia movements are repetitive, while chorea movements are more random. A person with dystonia may ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways Clonus causes involuntary, rhythmic muscle contractions when a muscle is stretched.It is often observed in conditions like multiple sclerosis, ...

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 ...

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place. A series of lessons with a range of activities covering the Communication, ...

For some people, the underlying problem causing involuntary muscle contractions and abnormal movements or postures is dystonia, a neurological movement disorder.