Quadratus Lumborum – Functional Anatomy
Overview Quadratus lumborum means “the square muscle in the low back.” It connects the lumbar vertebrae to the ribs and iliac crest, trapping T12 and the sacrum between its attachments. Origin Insertion Function Innervation The innervation suggests that it is an abdominal muscle, but most practitioners see it as a low-back muscle. Quadratus Lumborum has […]