Sacrospinous ligamentSacrotuberous ligamentPelvic cavityIlio-inguinal nerveAbdominal cavityGap between inguinal ligament and pelvic bone:• Psoas major, iliacus,    pectineus muscles• Femoral artery• Femoral vein• Lymphatics• Femoral branch of    genitofemoral nerve• Lateral cutaneous    nerve of thigh• Femoral nerveObturator canal:• obturator nerve• obturator vesselsLesser sciatic foramen:• Obturator internus muscle tendon• Pudendal nerve and internal pudendal   vessels pass into perineum    from gluteal regionGreater sciatic foramen below piriformis muscle:• Sciatic nerve• Inferior gluteal nerve, artery, vein• Pudendal nerve• Internal pudendal artery and vein• Posterior femoral cutaneous nerve• Nerve to obturator internus and    gemellus superior muscles• Nerve to quadratus femoris and    gemellus inferior musclesGreater sciatic foramen abovepiriformis muscle:• Superior gluteal nerve, artery, veinPiriformis muscle
Fig. 6.36 Branches of the lumbosacral plexus.
L3 anterior ramusPerforating cutaneous nerveLumbosacral trunkSuperior gluteal nerveNerves to quadratus femoris and obturator internusInguinal ligamentInferior gluteal nervePosterior cutaneous nerve of thighSciatic nerveS1S2Sacrotuberous ligamentSacrospinous ligamentObturator nerveFemoral branch of genitofemoral nerveFemoral nerveLateral cutaneous nerve of thighIlio-inguinal nerveL1 anterior ramusL2 anterior ramus
Fig. 6.37 Arteries of the lower limb.
Fig. 6.38 Veins of the lower limb.
Fig. 6.39 Lymphatic drainage of the lower limb.
Fig. 6.40 Fascia lata. A. Right limb. Anterior view. B. Lateral view.
ABInguinal ligamentInguinal ligamentDeep fascia of legFascia lataSaphenous openingAnterior superior iliac spineAnterior superior iliac spineTuberculum of iliac crestFascia lataGluteus maximusTensor fascia lataIliotibial tractPubic tuberclePubic tubercle
Fig. 6.41 Saphenous ring. Anterior view.
Fig. 6.42 Boundaries of the femoral triangle.
Fig. 6.43 Contents of the femoral triangle.
Fig. 6.44 Gluteal region. Posterior view.
Fig. 6.45 Deep muscles in the gluteal region. A. Posterior view. B. Function.
ABGemellus superior Gemellus inferiorObturator internusQuadratus femorisGluteus mediusGluteus minimusGreater sciatic foramen abovepiriformisPiriformis muscleGreater sciatic foramen belowpiriformisContraction of gluteus minimus and mediuson stance side prevents excessive pelvic tiltduring swing phase on opposite side
Fig. 6.46 Gluteus maximus muscle. Posterior view.
Gluteus mediusGluteus maximusAttachment of gluteus maximus to iliotibial tractIliotibial tractAttachment of deep fibers to gluteal tuberosity
Fig. 6.47 Tensor fasciae latae. Left gluteal region, lateral view.
Tensor fasciae lataeTubercle of crest of iliumGluteus mediusIliotibial tractGluteus minimusGluteus maximusFascia lataDeep fascia of legTibiaAttachment to tibia
Fig. 6.48 Nerves of the gluteal region. Posterior view.