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The Babinski reflex (or sign), which is assessed during neurological examination, can be tested by using a finger or blunt object to stroke the sole of the foot along the lateral side, from the heel to the toes. Dorsiflexion of the big toe and plantar flexion and spreading of the small toes indicate a positive Babinski sign. This sign is positive in infants until 12–24 months of age. Afterwards, a positive Babinski sign may indicate damage to the corticospinal tract. Full video available here: h

The Babinski reflex is a foot reflex that occurs when the sole of the foot is firmly stroked. The big toe moves upward and the other toes fan out. It's a normal reflex in infants and children up to two years old. In adults, it's abnormal and can indicate a problem with the brain or spinal cord. Purpose The Babinski reflex is part of a routine neurological exam. It can help determine if the central nervous system (CNS) is functioning properly. It can be an early indicator of spinal cord injury or