By watching this video you would be able to learn and understand the muscles of Posterior Abdominal Wall. The posterior Abdominal Wall is mainly composed of 4 Muscles: - Psoas Major - Psoas Minor - Iliacus - Quadratus Lumborum Timeline: 00:00 Introduction 01:57 Psoas Major 03:50 Psoas Minor 04:40 Iliacus 05:35 Quadratus Lumborum 06:40 Structures in Posterior Abdominal Wall 07:28 Diaphragm