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目的：为大腿部创伤修复及肌瓣移植提供形态学依据。方法：采用解剖剥离测量方法，对３６具（共７２侧）成人下肢标本的股神经和闭孔神经进行自身比例定位研究。结果：①股神经和闭孔神经发出的各肌支主要以１支型出现率最多；②股神经和闭孔神经发出的各肌支主要集中于大腿的１段和２段；③股神经和闭孔神经发出的各肌支进入各肌的区位，均有倾向于以神经干为轴心近距离分布的规律。结论：确定了股神经和闭孔神经肌支的危险区段和危险区位，讨论了有利于开展带神经血管蒂肌瓣移植的肌支类型。
Objective: To provide a morphological basis for trauma repair and muscle flap transplantation in the thigh. METHODS: Anatomical dissection was used to study the self-localization of the femoral and obturator nerves in 36 (all 72) adult lower extremities. Results: ① The muscular branches of the femoral and obturator nerves mainly occurred in the first branch. The muscular branches of the femoral and obturator nerves were mainly concentrated in the first and second thighs. Obstructive nerve issued by the various muscle branches into the muscle location, tend to focus on the axis of the nerve as a close distribution of the law. CONCLUSION: The dangerous segments and risk locations of the femoral and obturator neurons are identified, and the types of muscular branches favoring the transplantation of neurovascular pedicle flap are discussed.