小儿“牵拉肘”又称桡骨小头半脱位,多发于2—5岁的小儿,因该时期的幼儿桡骨小头发育不完全,环状韧带松弛,故当肘部在伸直状态下过度牵拉前臂(如猛力脱衣袖、用力牵拉前臂上楼梯及过马路)时极易发生脱位。小儿桡骨小头半脱位后常哭闹不安,自述胳膊疼痛,患肢不敢持拿物品,拒绝他人抚摸肘部,检查可见患肘屈曲,前臂不 Pediatric “pull the elbow”, also known as radial head subluxation, occur in children 2-5 years old, because of the development of young children during this period is not complete radial head, annular ligament relaxation, so when the elbow in the straight state Under the excessive pull the forearm (such as violent take-off sleeve, forced to pull the forearm up the stairs and cross the road) is prone to dislocation. Pediatric radial head dislocation often crying uneasy, readme arm pain, the limbs can not hold items, refused to touch the elbow others, check the elbow flexion can be seen, forearm is not