Lower back pain is something that bothers a large number of people. Yoga may be the answer to many of your problems as you are dealing with lower back pain. The cow face pose is going to make you work on your gluts as you get ready to deal with the curvature issues that may be occurring as well.
Basic stretching is not going to be the answer to your lower back pain. You have to make sure that you are dealing with the specific areas of stress and pressure.