This Site contains several years of research in the classification of breadties. For those of you who don't eat bread, breadties do not form an important part of your life. For the rest of the world, These small objects are everywhere, dotting supermarket aisles and sidewalks with an impressive array of form and color. Misunderstood and under-researched, the Holotypic Occlupanid Research Group has taken on the mantle of classifying this most common, yet most puzzling, member of phylum Plasticae.
I have found it helpful to do the stretching exercises my physical therapist recommends. Do some core strengthening exercises, such as the ones highlighted at The Mayo Clinic. By keeping your core strong, your back won't put itself in a position to cause that sciatica pain you are having.