Movement disorders

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Movement disorders mean that movement is impaired in some way. Such disorders include ataxia, dystonia (involuntary muscle spasms), essential tremors (uncontrolled shaking or trembling), tics, spasticity (muscle contractions), and Rett Syndrome. Causes include injuries, autoimmune diseases, infections, and certain medicines. Many movement disorders are inherited, which means they run in families. Learn more about movement disorders, including symptoms and treatment, from MedLine Plus. (posted December 18, 2012) 

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