Lower Back Pain: Causes, Symptoms, And Reliable Treatment Options Understanding Low Back Pain The lumbar region, positioned just below the ribcage, is an essential part of the body. Almost everyone experience lower back pain at some point in life, making it a leading cause of missed work in the U.S.. https://www.diigo.com/item/note/a8c4q/v0s1?k=8f4a105af0553aff060dee1e30e5a5d3