primary torsion dystonia

1. Introduction to Primary Torsion Dystonia Primary torsion dystonia, historically known as dystonia musculorum deformans or Oppenheim’s dystonia, is a severe, chronic movement disorder. It is characterized by sustained, involuntary muscle contractions that force specific parts of the body—or the entire body—into abnormal, frequently painful, twisted postures. The term “primary” denotes that dystonia is the … Read more