Lower Back Pain: Causes, Symptoms, And Reliable Treatment Options Introduction to Low Back Pain The lower back, located under the ribcage, is an essential part of the body. Almost everyone encounter lower back pain at some point in life, making it a common reason for work absenteeism in the U.S.. https://www.zupyak.com/p/4369881/t/lower-back-pain-causes-symptoms-and-effective-treatment-options