Exploration of gluteal region and hip

Quadratus femoris and obturator externus muscles, viewed from below

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Image #181-2
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Exploration of gluteal region and hip
Quadratus femoris and obturator externus muscles, viewed from below
The specimen has been turned so that the obturator externus (17) and the insertion of the iliopsoas (19) are visible in relation to the quadratus femoris (5).
1 . Sacrotuberous ligament
2 . Piriform muscle (cut off)
3 . Ischial tuberosity
4 . Inferior gemellus muscle
5 . Quadratus femoris muscle
6 . Greater trochanter
7 . Quadrate tubercle
8 . Lesser trochanter
9 . Perforating artery
10 . Anococcygeal ligament
11 . Levator ani muscle
12 . Vestibule of vagina
13 . Crus of clitoris
14 . Pubic symphysis
15 . Area of origin of adductor muscles
16 . Pectineus muscle
17 . Obturator externus muscle
18 . Femoral artery (in background)
19 . Iliopsoas muscle (near insertion on lesser trochanter)
20 . Adductor magnus muscle
21 . Deep femoral artery