Have you ever experienced lower back pain? 80% of Americans will experience lower back pain at some point of their lives. Lower back pain occurs below the ribs and above the knee. It's the connection between the upper and lower body. This part of your body bears most of the bodies weight. You must consistently give your lower back relief, otherwise, it won't have a chance to recover from all of the work it does for you. Stretching is a wonderful therapy for lower back relief.