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myoclonus
myoclonus Myoclonus is a sudden, involuntary, shock-like jerking of one muscle or a group of muscles, with irregular timing and strength, followed by relaxation.
Myoclonus is a sudden, involuntary, shock-like jerking of one muscle or a group of muscles, with irregular timing and strength, followed by relaxation. It can occur as a feature of some central nervous system disorders, including myoclonic epilepsy.