Athetosis

athetosis /ath·e·to·sis/ (ath?e-to´sis) repetitive involuntary, slow, sinuous, writhing movements, especially severe in the hands.

Positions of fingers in movements of athetosis.

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ath·e·to·sis (th-tss)

n.

A constant succession of slow, writhing, involuntary movements of flexion, extension, pronation, and supination of fingers and hands, and sometimes of toes and feet.

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athe·toid, athe·tosic, athe·totic (-ttk) adj.

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Athetosis

A condition marked by slow, writhing, involuntary muscle movements.

Mentioned in: Cerebral Palsy, Lesch-Nyhan Syndrome

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athetosis (ath´tō´sis),

n a neuromuscular impairment in which extensive twisting and swaying spasms of the skeletal musculature interfere with voluntary control of movement; the spasms are especially conspicuous and disconcerting during emotional stress and on initiation of conscious voluntary acts.

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athetosis

repetitive involuntary, slow, sinuous, writhing movements. Seen in primates, but not a feature of neurological disorders in domestic animals.