Kernig's sign

[kûrnĭgz]

n.

An indication of meningitis in which complete extension of the leg at the knee is impossible when the individual lies on the back and flexes the thigh at a right angle to the axis of the trunk.

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