1
.
| Median sacral crest |
2
.
| Sacral horn |
3
.
| Coccygeal horn |
4
.
| Superficial posterior sacrococcygeal ligament |
5
.
| Coccyx bone |
6
.
| Sacrotuberous ligament (cut off) |
7
.
| Sacrospinous ligament |
8
.
| Nerve to obturator internus muscle |
9
.
| Obturator internus muscle |
10
.
| Ischial tuberosity |
11
.
| Body of pubis |
12
.
| Quadratus femoris muscle (cut off) |
13
.
| Hip articular capsule |
14
.
| Iliopsoas muscle (tendon of insertion) |
15
.
| Lesser trochanter |
16
.
| Infrapiriform foramen |
17
.
| Piriform muscle |
18
.
| Ilium |
19
.
| Tubercle of iliac crest |
20
.
| Upper pointer: Tendon of obturator internus muscle Lower pointer: Inferior gemellus muscle (note absence of a superior gemellus muscle) |
21
.
| Greater trochanter |
22
.
| Tendon of insertion of obturator externus muscle |
23
.
| Quadrate tubercle |
24
.
| Neck of femur |
25
.
| Trochanter tertius |