Common focal Dystonia’s are as Follow:
- Spasmodic Torticollis (or cervical dystonia) affects muscles in neck, head, and spine that cause the head to turn to one side.
- Blepharospasm causes involuntary contraction of the eyelids holding them closed for indefinite periods.
- Oromandibular dystonia affects jaw, lips, or tongue. The jaw is held open or shut.
- Spasmodic dysphonia affects muscles of the vocal cords leading to whispered voice.
- Writer’s cramp (or occupational dystonia ) symptoms are triggered when the sufferer attempts to write or perform other fine hand functions, such as playing a musical instrument.