Chiropractic is a 116 year old profession and in that time it has grown to become one of the largest independent healthcare professions in the Western world. Since Palmer College opened, chiropractic has developed rapidly and there are now over 35 schools and colleges around the world and on every continent.

An article about the history and development of modern adjusting instrument for chiropractic treatments written by Dr. Scott B. Shephard, D.C.