Dr. Cox explains Flexion-Distraction (also known as Cox Technic), as a marriage of chiropractic principles with the osteopathic principles set forth by Alan Stoddard, DO, in his book, Manual of Osteopathic Technique, written about the manipulative procedures developed by John McManis, DO, in the early 1900's. Since the early 1970's, Dr. Cox has refined the technique, developed a manipulation instrument for effective use of the technique, conducted clinical, as well as participated in experimental, research; lectured around the world, and written well-received articles, chapters for textbooks, and textbooks.