Babinski sign: Babinski's reflex occurs when the big toe moves toward the top surface of the foot and the other toes fan out after the sole of the foot has been firmly stroked. The reflex is found in infants and disappears by the age 2 as the nervous system develops. The presence of a babinski's reflex after age 2 is a sign of damage to the nerve paths connecting the spinal cord and the brain.
Answered 8/30/2013
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