http://TheBadBackGuy.net Understanding the underlying structure, in this case the spine and its curvatures, is central to understanding the processes that contribute to and compound neck pain, back pain, and sciatica. We are attempting to relieve neck, back, and sciatic nerve pain and to do so we must understand what is going on "behind the scenes." Join me at the site above and at http://UltimateBadBackStrategies.com