Reflex, Babinski

**Definition:** A reflex found in normal infants consisting of dorsiflexion of the HALLUX and abduction of the other TOES in response to cutaneous stimulation of the plantar surface of the FOOT. In adults, it is used as a diagnostic criterion, and if present is a NEUROLOGIC MANIFESTATION of dysfunction in the CENTRAL NERVOUS SYSTEM.

**Tree numbers:** - E01.370.376.550.650.680 - E01.370.600.550.650.680 - G11.561.731.618

**Synonyms:** - Reflexes, Babinski - Babinski Reflex - Extensor Plantar Response - Paradoxical Extensor Reflex, Great Toe - Babinski Sign - Babinski Sign Positive - Babinski's Reflex - Babinski's Sign - Extensor Plantar Reflex - Babinski Reflexes - Great Toe Paradoxical Extensor Reflex