Athetosis is associated with involuntary movements, principally of the face, the limbs, and the torso. These movements may take the form of a slow writhing without coordination
. Athetosis is one of the symptoms indicative of neurological pathologies of the cerebral cortex
. It leads to extreme fatigue, as the movements may occur at any moment, even during sleep. Certain treatments for Parkinson's disease
can cause athetosis.