The left and right hip bones (innominate bones, pelvic bones) are two irregularly shaped bones that form part of the pelvic girdle – the bony structure that attaches the axial skeleton to the lower limbs.

The hip bones have three main articulations:

Sacroiliac joint – articulation with the sacrum.

Pubic symphysis – articulation between the left and right hip bones.

Hip joint – articulation with the head of femur.

In this article, we shall look at the anatomy of the hip bones – their composition, bony landmarks, and clinical relevance.

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