What Are the Causes of Abnormal Head Posture? Abnormal head posture commonly occurs due to neck muscle problems, but the condition has eye-related or ocular causes too. Certain eye conditions can ...

Chorea and hemiballismus are both forms of involuntary movement disorders. Hemiballismus can cause sudden, violent, and flinging motions. Chorea can cause irregular, spontaneous, and nonrepetitive ...

Post-pump chorea (PPC) is a complication of major heart surgery and usually occurs in children. It causes involuntary and uncontrollable movements. PPC is a movement disorder that occurs due to nerve ...

Dear Eric: I am a young adult with a movement disorder similar to Parkinson’s. It causes uncontrollable, violent, jerky, muscle movements, called dyskinesias, in nearly every part of my body. These ...

People with movement disorders can have a difficult time doing day-to-day activities, which could impact their independence. This can affect how people see themselves and affect their social life.

Dyskinesia is when you experience involuntary movements. Chorea is one type of dyskinesia. It is associated with health conditions like Huntington’s disease, infection, or side effects of medications.