“…Those theories include unloading of spinal components, reduction of dural adhesions, decreased pressure within the intervertebral discs, and relief of compression within the central foramina. 2,3,5,19,20,30,36,39,[42][43][44][45]51 However, much of the research reported in this area has involved the lumbar disc. 36,39,44,42 Recently, the reduction of cervical HD during mechanical traction sessions was reported.…”