"Subluxation" is a term used by some chiropractors to describe a spinal vertebra that is out of position in comparison to the other vertebrae, possibly resulting in functional loss and determining where the chiropractor should manipulate the spine.
Subluxation was first added to the chiropractic vocabulary in 1907 by D.D. Palmer, a man who is considered to be the father of chiropractic in the United States. Some chiropractors still frequently use the term "subluxation" today while others refer to it from a historical perspective only.
