Babinski Sign

**Semantic type:** Finding

**Definition:** A reflex characterized by upward movement of the great toe and an outward movement of the rest of the toes, when the sole of the foot is stroked. It is a normal reflex up to the age of two. Its presence beyond that age indicates neurological damage.

**Synonyms:** - Babinski sign positive - Babinski's Phenomenon - Babinski's Reflex - Babinski's Sign