Abstract
We report a woman with Guillain-Barré syndrome who developed a flexion posture of the right arm and hand resembling upper motor neuron dysfunction. EMG demonstrated that involuntary peripherally generated continuous motor unit discharges caused the posture.
MeSH terms
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Aged
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Extremities
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Female
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Humans
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Motor Neurons / physiology
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Muscle Rigidity
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Muscle Spasticity / etiology*
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Muscles / innervation
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Neural Conduction
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Polyradiculoneuropathy / complications*
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Polyradiculoneuropathy / physiopathology
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Posture
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Recruitment, Neurophysiological
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Sensation
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Time Factors