The question facing anyone contemplating a book on low back pain is: Why write another book? It is certainly true that there are many books on this topic addressing a wide variety of audiences. Some books are all inclusive and scholarly in nature, others are personal descriptions of diagnostic and treat ment philosophies. This book is a combination of these two extremes. It represents our views on the low back problem, supported by scientific data. Most aspects on back pain presented in this book can be found in other texts. The organization of the material is unique, however. Our approach is...