Torsion Dystonia Home>Conditions_and_Diseases>Neurological_Disorders>Movement_Disorders>Torsion Dystonia     Web Pages Medicine Net: Torsion Dystonia A brief description of this disorder, its onset and symptoms. Pediatric Database A definition of torsion dystonia, the epidemiology, pathogenesis, clinical features, investigations and management. University of Pittsburgh From the Genetics Education and Counseling Program a brochure about Torsion Dystonia.