Babinski's reflex


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to Babinski's reflex: extensor plantar response

Babinski's reflex

[bəbin′skēz]
Etymology: Joseph F.F. Babinski, French neurologist, 1857-1932
dorsiflexion of the big toe with extension and fanning of the other toes elicited by firmly stroking the lateral aspect of the sole of the foot. The reflex is normal in newborns and abnormal in children and adults, in whom it may indicate a lesion in the pyramidal tract or other neurological insult.
enlarge picture
Babinski's reflex in an adult