Positive Babinski Reflex with dorsiflexion of the big toe after stroking the sole of the foot. This extensor response is normal and infants and usually gives way to a flexor response by 12 months old. via Allie Christie @alliemchristie #Babinski #Reflex #Upgoing #Positive #Peds #Pediatrics #Clinical #Video #PhysicalExam #Primitive #pyramidal