Chorea-acanthocytosis is a rare genetic disorder of the nervous system. It causes involuntary jerks and twitches in the muscles, known as chorea, and star-shaped red blood cells, known as ...

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 ...

Skeletal muscles are voluntary muscles that can be consciously controlled, such as the muscles of your neck, arms, and legs. It makes up 30% to 40% of human body weight in a healthy person. The ...

Researchers uncovered new findings about involuntary muscle movements that come with long-term administration of Parkinson's drug levodopa. University of Arizona researchers have revealed new insights ...

When we think of movement disorders, the tremors associated with Parkinson's disease are probably what first spring to mind. However, there are other equally debilitating and much less well-known ...

Athetoid cerebral palsy is a type of cerebral palsy that causes uncontrollable muscle movements. It’s present in infancy or childhood and may be more severe than other types of cerebral palsy.

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 ...

Differentiating tardive dyskinesia from other movement disorders can be challenging. "One major criterion is the history of exposure to neuroleptic medications," said Jeff Bronstein, MD, PhD, of the ...

Vibration plates are suddenly everywhere. Standing, sitting, or exercising on one of these motorized devices triggers rapid, involuntary muscle movement, which proponents say provides a wide range of ...