Pelvic Wall and Cavity Clinical Anatomy

Pelvis: Topic Objectives Be able to describe and identify all bones, blood vessels and muscles of the pelvis and back. Be able to identify the muscles of the pelvic floor, perineum and urogenital triangle. Be able to describe and identify the inguinal canal and its role in inguinal hernias.

Pelvis Pelvic canal Pelvic Inlet Pelvic Outlet Greater (false) and Lesser (true) pelvis

Innominate (os coxa)

Sacrum

Back Muscles

Deep back muscles

Muscles of Posterior Abdominal Wall Quadratus lumborum Psoas minor Iliacus Iliopsoas Psoas major

Pelvic Floor

Perineal Muscles Urogenital Triangle

Inguinal region Inguinal Ligament Inguinal Canal

Inguinal hernia

Major Vessels of Posterior Abdominal Cavity Phrenic Adrenal Celiac SMA Renal Gonadal IMA Lumbar Common Iliac Ext. Iliac Int. Iliac