Back pain can be frustrating. The best thing to do if you start having back pain is to take the time to give it a few days rest. If you try to just tough it out you could very easily damage it worse including herniating a disc which could take months to heal and even require surgery. If you are having back pain here is an source of how to prevent and deal with back problems. It is on a back surgery site but has a large selection of articles on finding ways to cure your back pain.