There are many reasons for women’s lumbar spine depression is very deep, common normal physiological phenomenon, genetic factors, trauma and so on. 1. The human lumbar spine itself exists physiological curvature, may be women in the lumbar physiological curvature is more obvious than men, women’s lumbar spine, due to the existence of sacral curvature, so there will be obvious depression at the lumbar vertebrae. 2. It may be due to genetic factors or anterior pelvic tilt, etc., resulting in the lumbar vertebrae and sacral vertebrae intersecting the part of the angle is too large, resulting in lumbar vertebrae concave obvious. 3. may be caused by trauma lumbar isthmus fracture, lumbar isthmus fracture, is likely to produce lumbar vertebrae slipped, lumbar vertebrae slipped, there will often be lumbar abnormally concave. There are other reasons why a woman’s lumbar spine may be deeply recessed, and it is recommended to go to the hospital in time to find out the reason if you feel uncomfortable.