3例均为男性,分别为16、17、18岁,其中1例是农村青年,2例是中学生.均系用右手与他人扳手腕,在角力突然用劲时即听到一响声,当即肘部疼痛难忍,尤以肘内侧为甚,患肘功能受限.检查肘内侧肿,皮肤青紫,压痛明显,有滑擦音.X线片证实为肱骨内上髁撕脱骨折,其中1例合并肘关节向后半脱位,骨折块嵌夹于关节内. 3 cases were male, respectively, 16,17,18 years old, of which 1 was rural youth, 2 were middle school students are using the right hand and others Wrist Wrist, when the sudden awkward force to hear a loud noise, immediately elbows Pain was unbearable, especially in the elbow medial, suffering from elbow function is limited. Check the elbow medial swelling, bruising, tenderness, there is a sliding friction sound .X ray confirmed avulsion fractures of the humerus epicondyle, one case of merger Subluxation of the elbow, fracture block embedded in the joints.