dystonia

noun

Etymology: Borrowed from New Latin dystonia, from German Dystonie. By surface analysis, dys- + -tonia.

1. A disabling neurological disorder in which prolonged and repetitive contractions of muscles cause jerking, twisting movements and abnormal postures of the body.

   “In one type of vocal dystonia called lingual protrusion dystonia, a person’s tongue can protrude when they try to speak, strangling their words.”