Lower Back Pain: Top Causes, Symptoms, And Proven Relief Strategies What is Low Back Pain? The lumbar region, located under the ribcage, is an essential part of the body. Most individuals encounter lower back pain at some point in life, turning it into a leading cause of missed work in https://www.diigo.com/item/note/ari1n/1ax9?k=6e063018d5c3f65f6b38bf88c80145c1