Dystonia is a hyperkinetic movement disorder characterized by sustained muscle
contractions that produce repetitive movements and abnormal postures. Specific information …

The prevalence estimates for primary dystonia range from two to 50 cases per million for
early-onset dystonia and from 30 to 7320 cases per million for late-onset dystonia. From …

Background Cervical dystonia (CD), the most common form of adult-onset focal dystonia,
has a heterogeneous clinical presentation with variable clinical features, leading to …

Primary focal dystonias form a group of neurological disorders characterized by involuntary,
sustained muscle contractions causing twisting movements and abnormal postures. The …

Objective To identify research priorities to increase understanding of the pathogenesis,
diagnosis, and improved treatment of spasmodic dysphonia. Study Design and Setting A …

Various movement disorders, such as oromandibular dystonia, oral dyskinesia, bruxism,
functional (psychogenic) movement disorder, and tremors, exist in the stomatognathic …

Task‐specific dystonias are primary focal dystonias characterized by excessive muscle
contractions producing abnormal postures during selective motor activities that often involve …

Background Adult onset idiopathic isolated focal dystonia presents with a number of
phenotypes. Reported prevalence rates vary considerably; well‐characterized cohorts are …

The number of existing cases of primary dystonia in the population is not precisely known,
but the condition is probably much more frequent than reported. By minimum prevalence …

The literature is replete with articles that discuss motor disorders, such as Parkinson's
disease, Bell's palsy, essential tremor, poststroke paralysis, dystonia, and dyskinesia. The …