Babinski's sign

Medical Dictionary

Babinski's sign n.

  1. See Babinski's reflex.

  2. Weakness of the platysma muscle on the affected side in hemiplegia, evident in such actions as blowing or opening the mouth.

  3. A sign of hemiplegia in which the thigh on the paralyzed side flexes and the heel is raised when a person attempts to sit up while lying supine with legs extended and arms crossed upon the chest.

  4. A sign of hemiplegia in which the forearm on the affected side, when placed in a position of supination, turns into the pronated position.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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