Your patient is in a recumbent position when you lift his leg and flex the knee at a right angle.As you attempt to extend his knee by pushing down,there is a resistance and he complains of pain.This response

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Kernig's sign is assessed by placing the patient in a recumbent position.Lift the patient's leg and flex the knee at a right angle.Attempt to extend the patient's knee by pushing down on it.A positive Kernig's sign is a resistance to extension and pain (resulting from spasm of the hamstring),preventing extension of the leg.Kernig's sign is caused by stretching of the irritated nerve roots and meninges.

Your Patient Is in a Recumbent Position When You Lift