User:CorticoSpinal/notes

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1 Civil POV Pushing Strategies
2 Subluxation Theory: DeVocht
3 Notables
4 Civil POV
5 Common Violations
6 Misc/Canvassing?
7 La peche
8 String

[edit] Civil POV Pushing Strategies

[edit] Subluxation Theory: DeVocht

Theory

Chiropractic is based on the theory that intervertebral joints can become stabilized in some aberrant situation that may lead to biomechanical and/or neurologic alterations. It originally was thought that it was a simple matter of a vertebra getting out of alignment relative to the adjacent vertebrae and consequently applying pressure on the spinal nerve root as it exited the spine through the intervertebral foramen. The subluxation, as this condition has been termed, was thought to sometimes cause the impediment of action potentials as they passed through that nerve. This “foot on the hose” concept provides an easily visualized explanation as to how subluxations could cause any of a myriad of symptoms in whatever region that nerve happened to supply.

As research began to be done, it became apparent that the mechanisms involved are not as straightforward as originally thought. Nevertheless, the general notion of some sort of deleterious lesion involving the spine and/or adjacent structures with far reaching implications that can be affected by spinal manipulation can be explained by other mechanisms. For example, it has been theorized that edema or inflammation of tissues in or around the inter-vertebral foramen sometimes could cause enough pressure on the spinal nerve roots to interfere with nerve impulses passing through them.26 Some have hypothesized that rotational misalignment of the cervical vertebrae could twist the dura mater causing the dentate ligaments to pull directly on the spinal cord.20 One other theory, of many, is that spinal kinematics can be impaired by localized joint fixations of various etiologies.36 That is why some chiropractic approaches involve manual flexion of the spine- the clinicians are looking for specific areas of restricted motion.

Because the exact mechanisms are not known does not negate the validity and usefulness of the general concept of a subluxation. The term, which is ingrained in the profession, is somewhat of a misnomer because it no longer seems that there is always an abnormal displacement of one vertebra relative to the others. The entire practice of spinal manipulation is based on the concept that there must be some kind of lesion in the spine that responds favorably to manipulation. Therefore, other more accurately descriptive names have been suggested, such as manipulatable lesion. There is no reason to perform spinal manipulation if one is not convinced that there is some kind of lesion present that would respond to manipulation. Although the specific mechanisms involved are not known, it has been empirically shown that there are specific indicators that typically are associated with a spinal lesion that is likely to respond to manipulation (a subluxation) such as joint restriction, muscle spasm, and/or pain. PMID: 16523145