Pelvic Girdle Bones

pubis

Common Name: Anterior part of the pelvic bone

acetabulum

Hip socket

ischial tuberosity

Just above medial side of each gluteal fold; the robust inferior parts of the ischial bones; support the body's weight during sitting.

sacroiliac joint

Points where the axial skeleton attaches to the pelvic girdles.

iliac fossa

The broad, slightly concave inner surface of the ilium.

pubic symphysis

The fibrocartilage that joins the two pubic bones in the median plane.

obturator foramen

The large openings in the anterior/inferior aspect of the pelvic girdle:

iliac crest

The upper ridge of the ilium

Ilium

lateral portion of the hip bone

ischium

lower, rear portion of the pelvis on which one sits