股四头肌挫伤
原作者： Brian Corwell，郑辛甜译，肖 文章来源： 《中华急诊医学杂志》编辑部 发布日期：2015-03-03

Title: Quadriceps contusion
题目：股四头肌挫伤
Author 作者: Brian Corwell
翻译：郑辛甜 校对：肖锋

Mechanism: Direct blow to anterior thigh (Football/basketball) or from a ball traveling at a high rate of speed (field hockey/lacrosse).
机制：直接打幢击到大腿前侧（足球/篮球）或高速飞过来的球（曲棍球/长曲棍球）。
Exam: focal tenderness and edema. Pain may be severe and worse with active contraction and passive stretch. Hematoma may already be present. Amount of passive knee flexion at 24 hours can be a clue to the severity of the hematoma.
检查：局部压痛及肿涨。当主动收缩和被动伸展时，疼痛可能更严重。血肿可能已经存在。24小时的被动膝关节屈曲度可以作为判断血肿严重程度的一个线索。Treatment: Crutches if pain with weight-bearing. Ice. Immobilization in 120 degrees of flexion immediately after the injury for the first 24 hours may be beneficial.-Bandage entire lower limb. pain medication. Soft tissue therapy is contraindicated for the first 48 hours and when instituted must be gentle and cause no pain.
治疗：负重时如有疼痛，要用拐杖；受伤后24小时内冰敷和固定在120度屈曲位是有益的；整个下肢绑上绷带；止痛药；48小时内不要做软组织治疗（如要做，不要用力，不要有任何痛）。
Risk of re-bleeding is greatest in first 7 to 10 days.
7-10天内再出血危险性最高。
Reference 参考文献：