Athetosis, or constant writhing movements, is often caused by injury to deeply situated structures within the brain called the basal ganglia.
Update Date 11/29/2012
Updated by: Luc Dupont Jasmin, MD, PhD, FRCS (C), FACS, Department Neurosurgery at Cedars-Sinai Medical Center, Los Angeles, CA. Department of Surgery Ashland Community Hospital, Ashland, OR. Department of Anatomy at UCSF, San Francisco, CA. Review provided by VeriMed HealthCare Network.