segmental dystonia Directory References Quizzes 44 Questions from Britannica’s Most Popular Health and Medicine Quizzes Discover Spies Like Us: 10 Famous Names in the Espionage Game 6 Animals We Ate Into Extinction 7 Everyday English Idioms and Where They Come From Timeline of the 2000s 7 of History's Most Notorious Serial Killers 9 of the World’s Deadliest Snakes Who Invented the Internet? 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