An abnormality of movement with a neurological basis characterized by changes in coordination and speed of voluntary movements.
Comment:
Movement disorders are characterized by the phenotypic abnormalities including abnormal involuntary movements, akathisia, akinesia, athetosis, ataxia, ballismus, bradykinesia, chorea, dyskinesia, dystonia, and myoclonus tics, tremor, spasms, and stereotypy.