Introduction -- Part I: Lumbar Spine Topics -- Anatomy of the Lumbar Spine -- Lower Back Pain: An Overview of the Most Common Causes -- Treatment of Acute Lower Back Pain.- When Are Imaging Studies Indicated, and What Do They Tell Us?- Discogenic Lower Back Pain.- Facet Joint Arthropathy.- Sacroiliac Joint Pain.- Spondylolisthesis.- Spondylolysis -- Lumbar Radiculopathy.- Piriformis Syndrome.- Spinal Stenosis -- Compression Fractures.- Epidural Steroid Injections: Dispelling Common Myths -- Red Flag Signs and Symptoms.- Exercises for Lower Back Pain.- The Mind-Body Connection: Is Stress Important?- Alternative Treatments -- Part II: Case Scenarios.