pt. I. Sciatica and piriformis syndrome -- I. Defining the problem -- II. Causes and types of sciatica -- III. The nervous system and self-diagnosis -- IV. Diagnostic tests and nerve function -- V. Conditions that cause sciatica -- pt. II. Control and cure -- VI. Outsmart sciatica with tricks you can do on your own -- VII. Physical therapy -- VIII. Medications -- IX. Injections -- X. Surgery -- XI. Nonmedical treatment and prevention -- XIII. Nutrition and lifestyle -- XIV. Alternative medical approaches.