<unk>  is a hyperkinetic movement disorder identified by involuntary sustained or intermittent contraction of a single or group of muscles that leads to repetitive movements or abnormal posture. The typical<unk>  movements are usually rhythmic or patterned contractions that may be accompanied by tremor.
Dystonia
Dysphonia
Chorea
Aphonia
Myoclonus
Hypotonia
Dysarthria
Pseudoathetosis