Lower Back Pain: Causes, Symptoms, And Reliable Treatment Options Understanding Low Back Pain The lower back, located under the ribcage, is a vital area of the body. Almost everyone encounter lower back pain at some point in life, making it a leading cause of missed work in the United States. https://www.diigo.com/item/note/ari1n/1ax9?k=6e063018d5c3f65f6b38bf88c80145c1