- a clonic spasm of a muscle or muscle group
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Jerking, involuntary movement of arms and legs, usually occurring during sleep.
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Involuntary jerky movements of the arms and legs
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A brief twitching muscular spasm.
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Myoclonus: A condition of abnormal contraction of muscles or portions of muscles.
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Twitching or spasm of a muscle or a group of muscles. ... (27 Sep 1997) ...
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a clonic spasm of a muscle or muscle group
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(mi-ok´lo-nәs) shocklike contractions of part of a muscle, an entire muscle, or a group of muscles; usually a manifestation of a convulsive disorder. adj., myoclon´ic., adj. palatal myoclonus a condition characterized by a rapid rhythmic movement of one or both sides ...
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(from the article `nervous system disease`) Brief, involuntary jerks of the trunk and of the limbs may occur in spinal myoclonus. Many diffuse, metabolic, or local structural causes of ...
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Myoclonus (s) is a brief, involuntary twitching of a muscle or a group of muscles. It describes a medical sign and, generally, is not a diagnosis of a disease. Brief twitches are perfectly normal. The myoclonic twitches are usually caused by sudden muscle contractions; they also can result from brief lapses of contraction. Contractions are called
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Type: Term Pronunciation: mī-ok′lō-nŭs, mī-ō-klo′nŭs Definitions: 1. One or a series of shocklike contractions of a group of muscles, of variable regularity, synchrony, and symmetry, generally due to a central nervous system lesion.
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Involuntary rapid, jerky twitching or contraction of muscles.
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abrupt, jerking movements of the arms or legs, commonly occurring during sleep and benign, but could be a separate movement disorder.
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Sudden abnormal twitching of muscles or muscle groups without any rhythm that occurs with brain disorders.
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Sudden, involuntary jerking or twitching of a muscle or group of muscles
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