nuchal rigidity

Definition

Stiffness of the neck, particularly inability to flex the neck forward, a classic sign of meningitis that makes every medical student's ears perk up. It's when your neck refuses to bend and everyone starts worrying about your meninges.

Example Usage

The patient presented with fever, headache, and nuchal rigidity, prompting immediate lumbar puncture to rule out bacterial meningitis.

Origin

From Latin 'nucha' (nape of the neck) + 'rigidus' (stiff)

Fun Fact

Kernig's sign and Brudzinski's sign are related tests for meningeal irritation—positive findings along with nuchal rigidity form the classic triad suggesting meningitis, though absence doesn't rule it out.

Source: Neurology and infectious disease clinical examination standards

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