Ballism is a rare symptom of some neurological disorders, strokes, or tumors. It causes violent, uncontrollable motions on one side of your body, usually in your arm and shoulder. This may look like you're flinging your arm forcefully.



 

 ## Departments and Programs Who Treat This Condition

  department###  [Neurology](/departments/neurology) 

 A department providing specialized evaluation and treatment for a wide range of brain and nerve conditions, including stroke, Parkinson’s disease, epilepsy, headaches, memory loss… 

 

 

  department###  [Parkinson’s Disease and Movement Disorders Center](/departments/neurology/parkinsons-disease-and-movement-disorders-center) 

 A center within the Department of Neurology where movement disorder specialists and Parkinson’s specialists diagnose and treat Parkinson’s disease and related disorders with perso…