Eur J Emerg Med 16 (3): 135 - 138, 2009. doi: 10.1097/MEJ.0b013e32831d796a Key Points Radial head subluxation, common among toddlers, can occur when a caregiver pulls a reluctant toddler forward or catches the toddler by the wrist during a fall—actions many caregivers do not remember.