Middle clunial nerves(S1-S3) ( Gluteal fascia)一 o Gluteus maximus Inferior clunial nerves, posterior cutaneous nerve of thigh Posterior femoral cutaneous nerve Posterior cutaneous nerve of thigh osterior femoral cutaneous nerve ● Perforating arter 深层结构:臀筋膜 Fascia of buttock、 臀肌、臀肌间隙、血管神经深层结构：臀筋膜 Fascia of buttock、 臀肌、臀肌间隙、血管神经