What is subluxation of a vetebra?

A vertebra is a series of bone in the spinal column (also called spine or backbone, but it is made up of many bones, not one bone.

The Chiropractic theory is that nerve transmission is disrupted and causes pain in the back, as well as other areas of the body

a partial dislocationSublaxation refers to a partial dislocation of bones that leaves the connecting joints misaligned.

Subluxation in medicine usually means a partial or incomplete dislocation. For example, if someones knee dislocates and then immediately goes back into place it is considered subluxed. I'm not sure...

Lets breakdown the 2 words your are asking about.I believe you are asking about the term "subluxation."  A subluxation is an old term used by chiropractors used to imply a joint dysfunction.  It...