Lower Back Pain: Causes, Symptoms, And Reliable Treatment Options Understanding Low Back Pain The lower back, located under the ribcage, is an essential part of the body. Almost everyone experience lower back pain at some point in life, turning it into a common reason for work absenteeism in the U.S.. https://www.diigo.com/item/note/b1gr9/qusx?k=d82b2a2b9d25c8bc172fc7906a4ea7bf