title: Dystonia.
abstract: Dystonia is a disorder of involuntary sustained muscle contractions. It is commonly classified by age of onset, distribution of involved body regions, and etiology. The pathophysiolgy of this condition is complex and imperfectly understood. This article reviews the epidemiology, genetics, clinical features, and approach to diagnosis and treatment of dystonia.
authors.affiliation: Department of Neurology, University of Michigan Medical Center, 1500 Medical Center Drive, 1324 Taubman Center, Ann Arbor, MI 48109-0322, USA.
authors.forename: Ninith
authors.initials: N
authors.lastname: Kartha
mesh_terms: D004421:Dystonia / Q000145:classification / Q000209:etiology / Q000628:therapy; D006801:Humans