Brudzinski’s sign--> is seen in meningitis where Flexion of one lower limb causes flexion of opposite limb immediately.It is the leg sign. Flexion of neck produces flexion of hips and knees. This is the neck sign. Brudzinski’s neck Sign-Both the lower limbs should be in extended position, with full flexion of the neck, the child flexes both his lower limbs, at the hips as well as knees. This is a common sign of meningitis in infancy. There may be minimum flexion of the lower limbs when the child has paraplegia or quadriplegia; there is unilateral flexion of the unaffected limb. This not only helps in the diagnosis of meningitis but also in the diagnosis of hemi paresis. Brudzinski’s leg sign- Here one of the lower limbs is flexed to 45º at the hip and 90-120º at knee. While trying to extend the lower limbs there is flexion of the opposite limb at the hip and knee. This is a positive Brudzinski’s leg sign. In children who are constantly moving the lower limbs, particularly in the first 2-3 years of life, the test should be carried out 3 to 4 times before it is concluded as positive. If a child has weakness or paralysis of the opposite limb there may be minimum flexion at the hip and knee.
Posted on: Sun, 03 Aug 2014 16:24:28 +0000
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