Quadratus lumborum

System Muscular

Quadratus lumborum

Definition

An abdominal muscle that inserts on the last rib and transverse processes of lumbar vertebrae. It is irregular and quadrilateral in shape, and broader below than above.

Also known as muscle of posterior abdominal wall — per UBERON

The Quadratus lumborum is a part of the Muscular.

Also identified as