Nursemaid's elbow
（重定向自Pulled elbow）
Nursemaid's elbow, babysitter's elbow, or pulled elbow is a dislocation of the elbow joint caused by a sudden pull on the extended pronated forearm, such as by an adult tugging on an uncooperative child or by swinging the child by the arms during play. The technical term for the injury is radial head subluxation.