Lower Back Pain: Causes, Symptoms, And Reliable Treatment Options Introduction to Low Back Pain The lumbar region, located under the ribcage, is a vital area of the body. Most individuals experience lower back pain at some point in life, making it a common reason for work absenteeism in the U.S.. https://share.evernote.com/note/fec0fdd8-801b-b4dc-6130-8701a7563e67