Infant Reflexes

ReflexPositionMethodResponseAge of Disappearance

Palmer GraspSupinePlacing the index finger in the palm of the infant.Flexion of fingers, fist making6 months

Plantar GraspSupinePressing a thumb against the sole just behind the toes on the foot.Flexion of toes15 months

GalantProneScratching the skin of the infants back, from the shoulder downwards, 2-3 cm lateral to the spinous process.Incurvation of the trunk with the concavity on the stimulated side4 months

Asymmetric Tonic Neck ReflexSupineRotation of the infants head to one side for 15 secondsExtension of the extremities on the chin side and flexion of those on the occipital side3 months

Suprapubic SymmetricSupinePressing the skin over the pubic bone with the fingersReflex extension of both lower extremities, with adduction and internal rotation into talipes equinus4 weeks

Crossed ExrensorSupinePassive total flexion of one lower extremityExtension of the other lower limb with adduction and internal rotation into talipes equinus. 6 weeks

RosollinoSupineLight tapping of the 2nd 4th toes at their plantar surfaceTonic flexion of the toes at the first metatarsophalangeal joint4 weeks

HeelSupineTapping the heel with a hammer, with the hip and knee joint flexed and the ankle joint in neutral position.Rapid reflex extension of the lower extremity in question3 weeks

MorrowSupineSudden head extension produced by a slight head dropAbduction followed by adduction and flexion of the upper extremities6 months

BabinskiSupineStriking along the lateral aspect of the sole extending from the heel to the head of the 5th metatarsalCombined extensor response: Simultaneous dorsiflexion of the great toe and fanning of remaining toes.Presence always abnormal