Dystonias are neurological disorders that can cause jerky movements, muscle spasms, repetitive actions, and unusual and awkward postures. Dystonia is a type of involuntary movement, and people ...

Laryngeal dystonia causes spasms in the voice box (larynx). It can affect voice quality, leading to hoarseness or interruptions in sound. It may become difficult for a person to speak. Oromandibular ...