Quadratus Lumborum Origin And Insertion 

Quadratus Lumborum Origin And Insertion

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Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion
Quadratus Lumborum Origin And Insertion

The quadratus lumborum is a muscle of the posterior abdominal wall. It is the deepest abdominal muscle and commonly referred to as a back muscle. It is irregular and quadrilateral in shape and broader below than above.

Origin: Transverse processes of  L1 – L4, the ilolumbar ligament, posterior third of the iliac crest Insertion: Inferior border of the 12 th rib Action: Lateral flexion of vertebral column; Depression of thoracic rib cage, Elevation of the pelvis Blood Supply: Branches from the lumbar artery Innervation: Ventral primary rami of T12 – L3 Blood Supply: Branches from the lumbar artery