Q: My cousin was diagnosed with dystonia, what is this? A: Dystonia is a disorder of involuntary muscle contractions that may cause repetitive and/or abnormal movement or postures, for example ...

How did the bodies of animals, including ours, become such fine-tuned movement machines? This paper cuts directly into critical debates about how the ancient spinal cord and the relatively new human ...

Tardive dyskinesia shares features with other movement disorders, such as Tourette syndrome and drug-induced Parkinsonism. But a diagnostic evaluation can reveal which condition is causing the ...

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 ...

At one point or another, we’ve all experienced the unexpected, intense pain of a muscle cramp. Muscle cramps, also known as muscle spasms or charley horses, are the involuntary contraction of muscle ...

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 refers to the slow, involuntary, and writhing movements of the limbs, face, neck, tongue, and other muscle groups. The fingers are also affected, with their flexing happening separately and ...

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 ...