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股神经在腹股沟韧带附近分为前、后两束,后束支配股骨骨膜和股四头肌,两束都位于骼筋膜下股动脉外侧。从皮肤到股神经的垂直距离,体重20～40kg的
Femoral nerve in the inguinal ligament is divided into two before and after the beam bundle after the control of the femoral periosteal and quadriceps, both located in the lateral fascia inferior femoral artery. The vertical distance from the skin to the femoral nerve, weighing 20 ~ 40kg