What is the medical term meaning abnormal tone?

The medical term meaning abnormal tone is dystonia. Dystonia is a neurological movement disorder that causes involuntary muscle contractions, leading to twisting and repetitive movements or abnormal postures. It can affect any part of the body, including the limbs, trunk, and face, and can range in severity from mild to debilitating. Dystonia can be caused by a variety of factors, including genetic mutations, brain injuries, and certain medications. Treatment options include medications, physical therapy, and sometimes surgery.