Concept Map: Bones of the Pelvic Girdle

Why are the spines, tubercles, and crests of the pelvic girdle important to know and recognize?

These structures are the attachment points for many skeletal muscles and ligaments The pelvis acts as an anchor point for many muscles of the trunk and thighs. Many of these muscles are attached to the pelvic girdle at the anterior superior iliac spine, anterior inferior iliac spine, posterior superior iliac spine, posterior inferior iliac spine, ischial spine, ischial tuberosity, pubic crest, and iliac crest

When a hand is placed on the hip, which specific bone structure is the hand resting on?

iliac crest of the ilium The superior margin of the ilium, which makes up the superior and lateral edges of the pelvic girdle, is called the iliac crest.

Which parts of the pelvic girdle make up the pelvic brim?

ilium and pubis only The ilium is the large, superior portion of the hip bone, and the pubis makes up the front portion of the hip bone. Combined they form the pelvic brim.

Which part of a hip bone specifically articulates with the sacrum?

the auricular surface of ilium The auricular surface of the ilium articulates with the auricular surface of the sacrum at the sacroiliac joint.