Athetosis

From Biology-Online Dictionary | Biology-Online Dictionary

Athetosis

(Science: neurology) a derangement marked by ceaseless occurrence of slow, sinuous, writhing movements, especially severe in the hands and performed involuntarily, it may occur after hemiplegia and is then known as posthemiplegic chorea.

Synonym: mobile spasm.

Origin: gr. Athetos = not fixed