hmm.. I think acupuncture does not help you much in this regard. But I want to share you this, recently one of my friend who was suffering from this same kind of severe back pain was recommended to get online customized back pain treatment from
http://www.irehab.com/. He said that he got customized set of postural exercises from them. Now he says that his back pain is reduced a lot much

If you need you can try them .