A series of involuntary writhing movements of the limbs, typically bilateral and symmetric and predominantly affecting the distal parts of the limbs.(noun)
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Use "athetosis" in a sentence
"Many children who have spasticity or athetosis also have problems with balance."
"Stiffness, with the knees bent or with legs separated, occurs more commonly in the child with spasticity and athetosis combined (see below)."
"Most children with athetosis have normal intelligence, but if the muscles needed for speech are affected, it may be hard for them to communicate their thoughts and needs."