Articles in this issue include: "Low Back Pain: Health Care Dilemma , “Anatomic and Biomechanical Principles of the Lumbar Spine , “Diagnosis of Low Back Pain: Imaging and Electrodiagnostics , “Axial Low Back Pain: Disc, Posterior Element, Sacroiliac Joint as Pain Generators , “Radicular Pain , “Myofascial Pain and Referral Patterns , “Osteoporosis and Compression Fracture , “Exercise for Low Back Pain , “Pharmacologic Treatment for Low Back Pain , “Complementary and Alternative Medicine Treatments for Low Back Pain , “Interventional Treatments for Low Back Pain – General Risks , “Epidural Steroid Injections , “Z-joint and SIJ Intra-Articular Injection and Diagnostic Blocks , “Radiofrequency Neurotomy , “Discography/IDET/Biaculoplasty , “Vertebroplasty/Kyphoplasty , “Pumps/Stims , “Chronic Low Back Pain and Psychosocial Issues."