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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Vertebral subluxation | 1/5 | https://en.wikipedia.org/wiki/Vertebral_subluxation | reference | science, encyclopedia | 2026-05-05T03:38:10.932831+00:00 | kb-cron |
In chiropractic, a vertebral subluxation means pressure on nerves, abnormal functions creating a lesion in some portion of the body, either in its action or makeup (defined by D.D. Palmer and B.J. Palmer, founders of chiropractic). Chiropractors claim subluxations are not necessarily visible on X-rays. Straight chiropractors continue to follow Palmer's tradition, claiming that vertebral subluxation has considerable health effects and also adding a visceral component to the definition. Most medical experts and some mixer chiropractors consider these ideas to be pseudoscientific and dispute these claims, as there is no scientific evidence for the existence of chiropractic subluxations or proof they or their treatment have any effects on health. The use of the word vertebral subluxation should not be confused with the term's precise usage in medicine, which considers only the anatomical relationships. According to the World Health Organization (WHO), a chiropractic subluxation is a "dysfunction in a joint or motion segment in which alignment, movement integrity, and/or physiological function are altered, although contact between joint surfaces remains intact". The WHO notes that this is "different from the current medical definition" of a subluxation, which is a "structural displacement" significant enough to be "visible on static imaging studies" such as X-rays. Chiropractic is a field of alternative treatment outside scientific mainstream medicine, whose practitioners (chiropractors) are not medical doctors.
== History == In 1910, D.D. Palmer, the founder of chiropractic, wrote:Nerves carry impulses outward and sensations inward. The activity of these nerves, or rather their fibers, may become excited or allayed by impingement, the result being a modification of functionating—too much or not enough action—which is dis-ease.In 1909, D.D. Palmer's son, B.J. Palmer, incorrectly claimed that chiropractic subluxation caused contagious diseases, writing:Chiropractors have found in every disease that is supposed to be contagious, a cause in the spine. In the spinal column we will find a subluxation that corresponds to every type of disease. If we had one hundred cases of small-pox, I can prove to you where, in one, you will find a subluxation and you will find the same conditions in the other ninety-nine. I adjust one and return his functions to normal... . There is no contagious disease... . There is no infection... . There is a cause internal to man that makes of his body in a certain spot, more or less a breeding ground [for microbes]. It is a place where they can multiply, propagate, and then because they become so many they are classed as a cause.
== Clinical practice ==
=== Definitions === Chiropractors use and have used various terms to express this concept: subluxation, vertebral subluxation (VS), vertebral subluxation complex (VSC), "killer subluxations", and the "silent killer". Chiropractors along with some physical therapists and osteopathic physicians, have also used another term, BOOP, meaning "bone out of place".
The WHO definition of the chiropractic vertebral subluxation is:A lesion or dysfunction in a joint or motion segment in which alignment, movement integrity and/or physiological function are altered, although contact between joint surfaces remains intact. It is essentially a functional entity, which may influence biomechanical and neural integrity.The purported displacement is not necessarily visible on static imaging studies, such as X-rays. This is in contrast to the medical definition of spinal subluxation which, according to the WHO, is a "significant structural displacement", and therefore visible on X-rays. As of 2014, the National Board of Chiropractic Examiners states:
The specific focus of chiropractic practice is known as the chiropractic subluxation or joint dysfunction. A subluxation is a health concern that manifests in the skeletal joints, and, through complex anatomical and physiological relationships, affects the nervous system and may lead to reduced function, disability or illness. In 1996 an official consensus definition of subluxation was formed. Cooperstein and Gleberzon have described the situation: "... although many in the chiropractic profession reject the concept of "subluxation" and shun the use of this term as a diagnosis, the presidents of at least a dozen chiropractic colleges of the Association of Chiropractic Colleges (ACC) developed a consensus definition of "subluxation" in 1996. It reads:
Chiropractic is concerned with the preservation and restoration of health, and focuses particular attention on the subluxation. A subluxation is a complex of functional and/or structural and/or pathological articular changes that compromise neural integrity and may influence organ system function and general health. A subluxation is evaluated, diagnosed, and managed through the use of chiropractic procedures based on the best available rational and empirical evidence. In 2001 the World Federation of Chiropractic, representing the national chiropractic associations in 77 countries, adopted this consensus statement which reaffirms belief in the vertebral subluxation.