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Kernigs Sign

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Other Names

Demonstration of Kernigs sign[1]
  • Kernig's Sign
  • Kernig test

Purpose

  • Evaluate for meningeal irritation
  • May also be useful for evaluating radicular back pain

Description

  • Patient is supine, hip and knee flexed to 90°
  • The knee is slowly extended by the examiner
  • Repeat the exam on the other side
  • Positive test is resistance, pain or inability to extend the knee
    • Note should be positive bilaterally

Pathology


Evidence

  • Unknown

See Also


References

  1. Tracy, Alexander, and Thomas Waterfield. "How to use clinical signs of meningitis." Archives of Disease in Childhood-Education and Practice 105.1 (2020): 46-49.
Created by:
John Kiel on 29 July 2019 23:55:25
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Last edited:
13 April 2023 18:45:10
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