The muscles of the back wall of the abdomen

Square lumbar muscle (m. quadratus lumborum) under a bilateral reduction of the lumbar spine pulls back, with one-sided tilts in the lumbar part, raises and lowers the iliac bone, rib XII. The muscle is flat and consists of two parts. And front and rear of the start of the iliac crest and ilio-lumbar ligament. Place attachment is located on the front of the lumbo-costal bundle, XII and XII rib thoracic vertebra, the rear part is attached to the transverse processes IV-I of lumbar vertebrae. From the deep back muscles lower back muscle is separated by a square thoracolumbar fascia.

List of Abbreviations

a., aa. — arteria, arteriae (artery, the artery)

lig., ligg. — ligamentum, ligamenta (ligament, the ligaments)

m., mm. — musculus, musculi (muscle, the muscle)

n., nn. — nervus, nervi (nerve, the nerve)

r., rr. — ramus, rami (branch)

s. — seu (or)

v., vv. — vena, venae (vienna)