Nuchal Rigidity
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<ul >
<li >Kernig sign — Kernig sign is present if the patient, in the supine position with the hip and knee flexed at 90º, cannot extend the knee more than 135º and/or there is flexion of the opposite knee.</li>
<li >Brudzinski sign — Brudzinski sign is present if the patient, while in the supine position, flexes the lower extremities during attempted passive flexion of the neck.</li>
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