High dorsal dystonia may produce muscle spasm, localized swelling, head tilt, and angulation. 1. Muscle spasms: High dorsal dystonia may produce muscle spasms in the back, accompanied by persistent pain and palpable spasms. 2. Localized swelling: High back dystonia may produce localized swelling. 3. Head tilt: The head of the patient with dorsal dystonia is often tilted back, and the angle of head tilt becomes larger when lying on the back. 4. Mental problems: Patients may have a range of mental problems, mainly in the form of being easily startled and having difficulty sleeping. 5. Ankylosis: In severe cases, the patient may have a straight neck and back, a reflexive back, and the body is tilted back like a bow. 6. Restricted movement: In severe cases, the patient may experience stiffness in the limbs and restricted movement. If you experience the above symptoms or have been diagnosed with dorsal dystonia, you should go to the hospital for early intervention and rehabilitation.