Lasègue's sign

Lasègue's sign definition - medical

La·sègue's sign (lə-sĕgzˈ, lä-)

noun
An indication of lumbar root or sciatic nerve irritation in which dorsiflexion of the ankle of an individual lying supine with the hip flexed causes pain or muscle spasm in the posterior thigh.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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