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Overview



Movement disorders are neurological conditions that affect the speed, fluency, quality, and ease of movement. Abnormal fluency or speed of movement (dyskinesia) may involve excessive or involuntary movement (hyperkinesia) or slowed or absent voluntary movement (hypokinesia).



Movement disorders include the following conditions:

Ataxia (lack of coordination, often producing jerky movements)
Dystonia (causes involuntary movement and prolonged muscle contraction)
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