Babinski Reflex Definition

An extension of the great toe, sometimes with fanning of the other toes, in response to stroking of the sole of the foot. It is a normal reflex in infants, but it is usually associated with a disturbance of the pyramidal tract in children and adults.
American Heritage Medicine

(medicine) An abnormal plantar reflex in which the hallux moves upwards, indicative of motor neuron damage.

  • Babinski sign
  • babinski

Origin of Babinski Reflex

  • After Joseph François Felix Babinski (1857–1932), French neurologist

    From American Heritage Dictionary of the English Language, 5th Edition

  • After Joseph Babinski (1857-1932), French neurologist.

    From Wiktionary

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