Low back pain may be a universal human experience -- almost everyone has it at some point. The lower back, which starts below the ribcage, is named the lumbar region. Pain here are often intense and is one among the highest causes of missed work. Fortunately, low back pain often gets better on its own. Most low back pain goes away on its own in two to four weeks. Physiotherapy and pain relievers can help. a couple of cases may require surgery.