1
.
| Inferior gluteal artery |
2
.
| Sacral plexus (elevated) |
3
.
| Parietal pelvic fascia |
4
.
| Nerve to Quadratus femoris muscle |
5
.
| Body of ischium |
6
.
| Gluteus minimus muscle |
7
.
| Sciatic nerve (elevated) |
8
.
| Piriform muscle (cut off close to insertion) |
9
.
| Obturator internus muscle |
10
.
| Obturator externus muscle |
11
.
| Location of quadrate tubercle of femur |
12
.
| Quadratus femoris muscle |
13
.
| Internal pudendal artery |
14
.
| Sacrospinous ligament |
15
.
| Nerve to obturator internus |
16
.
| Inferior rectal artery |
17
.
| Sacrotuberous ligament (cut and reflected medially) |
18
.
| Levator ani muscle |
19
.
| Pudendal nerve |
20
.
| Upper pointer: Pudendal canal Lower pointer: Lunate fascia (reflected to open pudendal canal) |
21
.
| Ischiorectal fossa (anterior recess) |
22
.
| Deep transverse perineal muscle |
23
.
| Ischial tuberosity |
24
.
| Artery supplying sciatic nerve |