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目的：探讨臀肌挛缩的解剖学因素以及臀肌受累的范围与临床症状的关系。方法：观测了１２例（２４侧）婴幼儿尸体标本，手术中观测了挛缩组织的范围，以及４０例患者术前臀区ＣＴ断层解剖检查。结果：根据累及的肌肉或肌肉组结合临床症状将臀肌挛缩分为三种类型：单纯臀大肌挛缩型、单纯臀中肌挛缩型和臀大肌、臀中肌复合挛缩型（包括臀小肌）。结论：注射性臀肌挛缩症并非仅发生在臀大肌，亦可发生在臀中肌或臀大肌、臀中肌共同挛缩。临床症状与挛缩的肌肉有关。
Objective: To investigate the anatomic factors of gluteal muscle contracture and the relationship between gluteal muscle involvement and clinical symptoms. Methods: Twelve cases (24 sides) of cadaveric cadavers were observed. The scope of contracture tissue was observed during the operation and the anatomic examination of the CT images of the buttocks in 40 cases was performed. Results: The gluteal muscle contracture was divided into three types according to the muscle or muscle group involved: clinical gluteus medius contracture, simple gluteus mediate contracture and gluteus maximus, gluteus medius combined contracture (including buttocks small muscle). Conclusion: Injecting gluteal muscle contracture does not occur only in the gluteus maximus, can also occur in the gluteus medius or gluteus maximus, gluteal muscle common contracture. Clinical symptoms and contractures muscle related.