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scarf sign

 

Definition: sign used in Dubowitz scoring (q.v.) to assess developmental age and muscle tone in neonates. The infant's arm is pulled laterally across the chest; in the hypotonic infant, the elbow will cross the midline; in a term infant with normal tone, the elbow will not reach the midline.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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