臀肌挛缩症在临床上并不多见，其病因复杂，大多由于长期臀部肌肉注射造成肌纤维粘连变性，而引起髋关节的外展外旋挛缩畸形。临床上以患儿行走不稳，外八字步态，跑跳不灵活，两膝并拢不能完全下蹲为特征。以往大多采用手术治疗，但由于出血、渗血，术后易引起肌筋膜粘连... Gluteal muscle contracture is rare in clinical practice, its etiology is complex, mostly due to long-term buttock muscle intramuscular injection caused by degeneration of muscle fibers, which caused the hip outreach external contracture deformity. Clinical walking ill children, outside the character gait, running is not flexible, knees close together can not be fully squat for the feature. Mostly in the past using surgical treatment, but due to bleeding, bleeding, tend to cause myofascial adhesions after surgery ...