Babinski reflexBa·bin·ski reflex
also Ba·bin·ski's reflex
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. Also called Babinski sign, Babinski's sign.
Origin of Babinski reflexAfter Joseph François Felix Babinski, (1857–1932), French neurologist.
- (medicine) An abnormal plantar reflex in which the hallux moves upwards, indicative of motor neuron damage.
After Joseph Babinski (1857-1932), French neurologist.