1. Introduction: Somatovisceral Considerations in the Science of Tone 2. Health Perspectives: Past, Present, and Future 3. History of Legal Conflict 4. Autonomic Neuroanatomy of the Vertebral Subluxation 5. Referred Pain and Related Phenomena: Selected Topics 6. Patient-Based Outcomes Assessment: Pencil-and-Paper Instruments 7. Instrumentation and Imaging 8. Mechanically Induced Pelvic Pain and Organic Dysfunction 9. The Alimentary Canal: A Current Chiropractic Perspective 10. Chiropractic Care and the Cardiovascular System 11. Breathing and the Verteberal Subluxation Complex 12. Chiropractic Aspects of Headache as a Somatovisceral Problem 13. Subluxation and the Special Senses 14. Endocrine Disorders 15. Somatovisceral Involvement in the Pediatric Patient 16. The Somatovisceral Interface: Further Evidence 17. Neurological Holism: Chiropractics Scientific Future? Glossary JARGON BUSTERS: Somatovisceral: visceral functions that are activated or inhibited by somatic sensory stimulation