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2 Possible Causes for Brief Involuntary Movements of Upper Extremities

  • Senile Chorea

    It is characterised by involuntary rhythmic movement which is random and brief.1 Chorea may involve face, tongue, neck, trunk, upper extremities and lower extremities.2 Very[japi.org]

  • Extrapyramidal Disorder

    .  Sudden, brief, rapid, jerky, purposeless, non- repetitive, involuntary movement  Most characteristically in distal parts of upper extremity but may also involved proximal[slideshare.net]

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