1. Two trials of primidone for athetosis have been published. 2. The best results were obtained in athetosis and rigidity. 3. It often involves hyperkinetic movements, including chorea, dystonia, and athetosis . 4. Athetosis is a condition that has resulted in damage to the basal ganglia.5. Athetosis may co-present with Dysarthria.6. Athetosis can occur in the resting state, as well as in conjunction with chorea and dystonia.7. These'dance-like'movements of chorea often occur with athetosis , which adds twisting and writhing movements. 8. In patients that have cerebral palsy as the cause of their athetosis , it has been demonstrated that a spinal roots. 9. Patients who undergo surgical treatment to relieve the athetosis often see significant improvement in the control of their limbs and digits. 10. Athetosis is defined as a slow, continuous, involuntary writhing movement that prevents the individual from maintaining a stable posture.