Upper Cervical Specific Chiropractic is a branch of chiropractic developed and promoted by B. J. Palmer beginning in the 1930s until his death. According to Upper cervical chiropractic, a vertebral subluxation can only occur in upper cervical vertebrae. Therefore this technique places great importance on the anatomical structures of the atlanto-occipital joint, pointing out that it floats on two toed-in spoon like surfaces and is a potential source of instability. This potential instability of the atlanto-occipital joint is theorized to predispose people to an "adaptational imbalance" in the head/neck region.
Read more about Upper Cervical Specific Chiropractic: Background, Subluxation, List of Named Upper Cervical Techniques, Literature
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