include foot inversion, wrist ulnar deviation, or lordotic trunk twisting. They can be localized to specific parts of the body or be generalized to many different muscle groups. These postures are often sustained for long periods of time and can be combined in time. Dystonic movements can augment hyperkinetic movements, especially when linked to voluntary movements.

Blepharospasm is a type of dystonia characterized by the involuntary contraction of the muscles controlling the eyelids. Symptoms can