Babinski Reflex – Physical Exam

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Babinski Reflex:
The plantar reflex aka Babinski reflex is a reflex elicited when the sole of the foot is stimulated with a blunt instrument. The reflex can take one of two forms. In normal adults the plantar reflex causes a downward response of the hallux (flexion). An upward response (extension) of the hallux is known as Koch sign, Babinski response or Babinski sign, named after the neurologist Joseph Babinski. The presence of the Babinski sign can identify disease of the spinal cord and brain in adults, and also exists as a primitive reflex in infants.
See more at: http://www.medical-institution.com/babinski-reflex-video-tutorial-usmle-step-2-cs/

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