IN8 THOTS Green Book Series Section 4 of 8, The Subluxation Specific — the Adjustment Specific

IN8 THOTS Green Book Series Section 4 of 8

The Subluxation Specific — the Adjustment Specific : an exposition of the cause of all dis-ease

“Vertebral Subluxation: More Than a Bone Out of Place”

In Section 4 of the IN8 THOTS Green Book Series, Dr. Joe Sheppard explores one of the most foundational and controversial concepts in chiropractic philosophy: vertebral subluxation.

This episode examines how Dr. B.J. Palmer viewed vertebral subluxation not simply as a bone “out of place,” but as altered neurological communication affecting the body’s ability to adapt and function properly. Dr. Joe discusses the relationship between the spine, nervous system, posture, movement, and adaptability, while explaining why Dr. B.J. Palmer believed specificity and precise correction were central to chiropractic care.

Topics include neurological interference, stress adaptation, mechanoreceptor input, posture and brain-body communication, upper cervical philosophy, and why chiropractic focuses on function rather than symptom chasing alone.

This episode also explores how vertebral subluxation shaped the identity of chiropractic and why the concept continues to influence modern discussions surrounding nervous system function, spinal mechanics, and specific chiropractic care.

A foundational discussion for chiropractors, students, patients, and anyone interested in the deeper philosophical principles behind chiropractic and neurological adaptability.

Transcript

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Hello everyone. Welcome to Innate Thoughts, the Green Book Series Section Four of Eight. The Subluxation Specific, the Adjustment Specific, an exposition of the cause of all disease. Vertebral subluxation more than just a bone out of place. Okay, welcome back to Innate Thoughts, the chiropractic podcast dedicated to the timeless wisdom of the Palmer Green Books. I'm Dr. Joseph A. Shepherd, and today we will continue our deep dive into one of the most influential texts in chiropractic history, the Subluxation Specific, the Adjustment Specific with Dr. B.J. Palmer. In section one, we discussed why specificity matters. In section two, we explored the nervous system as the master system of the body. In number three, section three, we discussed innate intelligence and the body's remarkable ability to adapt and organize itself. And today we move into one of the most controversial and most defining concepts in chiropractic history, the vertebral subluxation. Now, before we go any further, it's important to understand something. The word subluxation means very different things depending on who is using it. In medicine, the term often refers to a partial dislocation visible on imaging. But in chiropractic philosophy, especially within the green books, vertebral subluxation meant something much deeper. To doctor BJ Palmer, vertebral subluxation was not merely a bone at a place. It represented interference, distortion, altered neurological communication between the brain and the body. And honestly, this distinction changes everything. Because if chiropractic were merely about repositioning bones, then the profession will lose much of its philosophical foundation. But Dr. B. J. Palmer believed the adjustment was about restoring function through the nervous system. That became the defining objective of chiropractic. One of the reasons the vertebral selection became such a foundational concept was because Dr. B. J. Palmer was attempting to answer a very important question. What prevents the body from expressing normal function? Remember, chiropractic philosophy was built around the idea that the body possesses organizing intelligence. The body constantly adapts, repairs, coordinates, regulates, but if communication within the nervous system becomes altered, then the body's ability to adapt may become compromised. That's where vertebral subluxation enters the conversation.

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BJ Palmer believed that abnormal spinal function could create irritation, tension, or interference affecting neurological communication, not necessarily complete blockage, not a severed nerve, but altered function. Disturbed communication, reduced adaptability, and that distinction matters because the Green Books repeatedly emphasize that the body can compensate for dysfunction for long periods of time before symptoms fully appear. That's one of the reasons chiropractic philosophy focused so heavily on function instead of symptoms alone. Pain may come later, symptoms may fluctuate, but altered function may already exist underneath the surface. One of the biggest misconceptions of the vertebral subluxation is the oversimplified idea that chiropractic is merely putting bones back into place.

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B.J. Palmer's writings were much more neurologically focused than that. He was attempting to understand spinal dysfunction affected the body's ability to coordinate and adapt. And honestly, modern neuroscience increasingly supports the idea that spinal function influence neurological input into the brain and nervous system. Movement affects the brain. Posture affects sensory input. Mechanical receptors influence neurological processing. Balanced systems constantly communicate with the brain. The body is in a constant state of neurological feedback. Now, does modern science always use the same exact terminology as the green books? No. But the underlying conversation about neurological communication remains highly relevant. And that's why I believe it's important to understand what Dr. B.J. Palmer was actually trying to say rather than reducing chiropractic philosophy into simplistic sound bites. Because the Green Books were attempting to explore one of the deepest questions in healthcare. How does structure influence function? That question still matters today. One of the most important ideas introduced in the subluxation specific, the adjustment specific was that the subluxation must be approached specifically, not generally, not randomly, specifically. Because if interference affects the nervous system, then the chiropractor's responsibility becomes locating the primary area of dysfunction as accurately as possible. That idea transformed chiropractic. doctor BJ Palmer became increasingly dissatisfied with adjusting multiple segments randomly. He observed that some patients improved dramatically from one precise adjustment, while others received repeated, generalized adjustments with little lasting change. The observation pushed him deeper into specificity, specific analysis, specific listing, specific correction, and specific timing. Eventually this pursuit led him heavily into upper cervical work. Why? Because Dr. BJ Palmer believed that the upper cervical region held enormous neurological importance due to its intimate relationship with the brainstem and the central nervous system. Again, whether someone agrees with every conclusion is not the point here. The point is understanding the evolution of chiropractic thought. Dr. B. J. Palmer was attempting to refine chiropractic into a precise neurological science in art, not simply a mechanical procedure. Another major concept within Green Books was understanding that the vertebral subluxation affects adaptability. And honestly, this concept remains incredibly important because health is not merely the absence of pain, health is adaptability, the ability of the body to respond appropriately to physical, chemical, and emotional stress. Think about modern life today: technology overload, lack of movement, poor posture, sitting all day, physical stress, chemical stress, processed foods, toxins, inflammation, emotional stress, anxiety, constant stimulation, and mental exhaustion. The nervous system is constantly adapting to environmental demands. And according to chiropractic philosophy, when neurological communication becomes distorted, the body may lose efficiency in that adaptability. That does not necessarily mean disease appears instantly. The body compensates first, adapts first, struggles first, then eventually symptoms may emerge. That's why Dr. B. J. Palmer challenged chiropractors not to focus exclusively on pain, because pain is often the final expression of dysfunction, not the beginning. One of the most controversial aspects of the vertebral subluxation is that it sits on the intersection of philosophy, clinical observation, and evolving science. And honestly, that's why discussions around chiropractic can become very polarized. Some people reduce chiropractic entirely to pain management. Others speak about subluxation so vaguely that it loses its clinical meaning. But Dr. BJ Palmer attempted to create a framework where spinal dysfunction, nervous system communication, and adaptability were interconnected. That framework shaped chiropractic history. And whether someone fully agrees with every detail or not, it's impossible to understand chiropractic philosophy without understanding the vertebral subluxation. Because it became the professional central clinical objective. Locate interference, reduce interference, improve function, that was the chiropractic model. One of the reasons Dr. B. J. Palmer emphasized specificity so strongly was because he believed random adjusting could actually create more confusion rather than less. If the body is intelligently organized and if the nervous system coordinates adaption, then the chiropractor should approach the adjustment with precision and respect. That brings us back again to one of the most famous statements in chiropractic history. It's more important that the adjustment be specific than it be forceful. That sentence reflects an entire physi philosophy because force alone does not equal precision. Movement alone does not equal correction. The objective was never simply to make noise, pop bones, cavitate joints, or create movement. The objective was neurological specificity. That distinction separated chiropractic from generalized manipulation approaches. Another important aspect of the vertebral subluxation within the green books was understanding that function and structure constantly influence each other. Poor posture changes neurological input. Abnormal movement alters muscle tone. Stress affects breathing patterns. Compensation changes biomechanics. Everything is interconnected. And today we increasingly understand that the brain constantly updates itself based upon sensory input from the body. The body literally influences brain processing. That's why posture, movement, balance, and spinal mechanics all matter neurologically. Again, the green books may not have used modern terminology like neuroplasticity, sensory motor integration, proprioceptive feedback, or central sensitization. But the underlying conversation about neurological coordination was already present. And honestly, that's one of the reasons these books continue to fascinate chiropractors today. They were attempting to understand the relationship between structure, function, and adaptation long before modern neuroscience was fully developed. One of the greatest dangers facing chiropractor today chiropractic today is oversimplification. Either oversimplifying chiropractic into nothing more than cracking bones or joints, or oversimplifying philosophy into vague motivational language disconnected from our clinical purpose. Dr. BJ Palmer was attempting to create specificity, specific analysis, specific adjustment, specific neurological objective. And whether someone practices upper cervical, full spine, tonal, instrument assisted, or another technique entirely, the philosophical question remains important. How specifically are we improving neurologic function and adaptability? That question still matters. And honestly, I believe it always will. As we continue through this green book series, we're going to keep building upon the foundational ideas because before we can fully understand holding adjustments, upper cervical philosophy, and the refinement of chiropractic analysis, we first have to understand the profession's central objective: reducing interference to normal neurological function. In our next session, we will begin discussing one of the most important evolutions in Dr. B.J. Palmer's work, why he became increasingly focused on upper cervical care and the concept of holding and adjustment. What did holding actually mean? Why did Dr. B.J. Palmer believe it mattered so much? And how did it shape the future of specific chiropractic? We'll discuss all of that in section five. Until next time, stay specific, stay connected, and keep thinking from above down, inside out.