Definitions

1. noun

A movement disorder in which sustained or intermittent muscle contractions cause abnormal, often repetitive movements, postures, or twisting, and may be inherited or acquired through brain injury or neurodegenerative disease.

“The patient’s dystonia made it difficult for her to perform everyday tasks without assistance.”

2. noun

A condition characterized by involuntary muscle contractions that can cause abnormal postures or movements.

“Her doctor diagnosed her with focal dystonia, which affected her left hand.”