If you have to stand for a long period of time, be sure to change positions frequently in order to avoid back pain. Changing positions will help to allocate the pressure to different areas of your body. If possible, stand on a carpet or rubber mat to further lessen the impact to your body.
Sitting for long periods of time can be torture to your spine so if you must do so, break it up with frequent short walks or quick exercises! In this day and age most of us spend too much time at a desk or computer and this can really be tough on the back. Get up at least once every hour and stretch! Why not download a little program that reminds you to do this - and don't ignore it!
Now that you know you are not alone and you have seen some of the common tips for dealing with this back ache problem, you should feel more comfortable in learning how to live with back pain and maybe you can even remove it from your life completely. Many other people have done it, and so can you!