
Intervertebral foramen
(Inferior notch makes up part of the “tunnel”)

Sacral Ala

Sacral promontory

Median sacral crest

Apex of sacrum

Sacral canal
3

Sacral hiatus
2

Dorsal sacral foramina

Lateral sacral crest

Coccyx

Coccyx vs apex of sacrum

Ilium

Anterior gluteal line
Posterior gluteal line
Inferior gluteal line

Iliac fossa

Arcuate line

Auricular surface of ilium

Posterior inferior iliac spine

Os Coxa bones

Ischial spine

Ischial tuberosity

Greater sciatic notch

Superior pubic ramus

Pectin pubis

Inferior pubic ramus