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Kernig sign

Pronunciation: ker'nig

Definition: with the patient supine, and the thighs and knees flexed, the legs cannot be passively extended at the knees; a sign of meningeal irritation, specifically, involuntary contraction of the hamstring muscles due to irritation of the nerve roots supplying them.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.