Lower Back Pain: Key Factors, Warning Signs, And Effective Solutions Understanding Low Back Pain The lumbar region, located under the ribcage, is a vital area of the body. Most individuals encounter lower back pain at some point in life, making it a common reason for work absenteeism in the U.S.. https://www.diigo.com/item/note/b1gr9/qusx?k=d82b2a2b9d25c8bc172fc7906a4ea7bf