segmental dystonia Directory References Quizzes 44 Questions from Britannica’s Most Popular Health and Medicine Quizzes Discover Which Religion Is the Oldest? The Lost Colony of Roanoke Do Lemmings Really Commit Mass Suicide? Is Australia an Island? Why We Celebrate MLK Day Were the Nazis Socialists? How Many People Have Been to the Moon? Contents segmental dystonia pathology Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:classification of dystonias In dystonia, spastic dysphonia); segmental, involving two adjacent muscle groups, such as the neck muscles (e.g., spastic torticollis); or general, affecting the entire body. Read More