Nuchal Rigidity Definition Nuchal rigidity is a reduced ability to flex the neck forward due to stiffness of the neck muscles.Click to see full answer. Keeping this in view, what can cause nuchal rigidity?Possible causes include muscle strain or sprain, cervical spine disorders, meningitis, and subarachnoid hemorrhage. Nuchal rigidity due to irritation of the lining of the brain and spinal cord is one of the main symptoms of meningitis.One may also ask, what is a positive Brudzinski’s sign? A positive cheek sign is elicited by applying pressure on both cheeks inferior to the zygomatic arch that leads to spontaneous flexion of the forearm and arm. Reflex flexion of the patient’s hips and knees after passive flexion of the neck constitutes a positive Brudzinski sign [Figure 1c]. In this regard, how do you assess nuchal rigidity? Physical exam maneuvers for nuchal rigidity include the Kernig and Brudzinski signs. Kernig’s is performed by having the supine patient, with hips and knees flexed, extend the leg passively. The test is positive if the leg extension causes pain.What is a Kernig’s sign?Kernig’s sign (after Waldemar Kernig (1840–1917), a Russian neurologist) is positive when the thigh is flexed at the hip and knee at 90 degree angles, and subsequent extension in the knee is painful (leading to resistance). This may indicate subarachnoid hemorrhage or meningitis.
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