Kernig Sign: Sign of Meningitis

Kernig's sign is one of the physically demonstrable symptoms of meningitis. Severe stiffness of the hamstrings causes an inability to straighten the leg when the hip is flexed to 90 degrees.

Kernig Sign


Kernig's sign is used to diagnose meningitis


Step 1. The patient is positioned in supine with hip and knee flexed to 90 degrees

Step 2. The knee is then slowly extended by the examiner (Repeat on both legs)

Step 3. Resistance or pain and the inability to extend the patient's knee beyond 135 degrees, because of pain, bilaterally indicates a positive Kernig's sign.

Dr Rohit Bhaskar, Physio
Dr Rohit Bhaskar, Physio Dr. Rohit Bhaskar, Physio is Founder of Bhaskar Health and Physiotherapy and is also a consulting physiotherapist. He completed his Graduation in Physiotherapy from Uttar Pradesh University of Medical Sciences. His clinical interests are in Chest Physiotherapy, stroke rehab, parkinson’s and head injury rehab. Bhaskar Health is dedicated to readers, doctors, physiotherapists, nurses, paramedics, pharmacists and other healthcare professionals. Bhaskar Health audience is the reason I feel so passionate about this project, so thanks for reading and sharing Bhaskar Health.

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