Senior Lecturer in Anatomy,

Abstract

Introduction: The psoas major (PMA) is a fusiform muscle that covers the anterolateral aspects of the lumbar spine and ends in a tendon which together with the iliacus is inserted into the lesser trochanter of the femur. Racial discrepancies in the anatomy of lumbosacral region, including the psoas muscle have been documented. Objectives: To study the anatomical dimensions of the PMA in Sri Lankan cadavers and to compare th