Dr. David Zemba, Jr.

The History of Atlas Orthogonal Chiropractic –


Roy W. Sweat, D.C., B.C.A.O., is a 1950 graduate of Palmer College of Chiropractic and has been in practice ever since and currently manages a clinic in Atlanta, Georgia, USA.

Roy W. Sweat, D.C


An associate professor at Life College, he is a noted author of many books on atlas orthogonality and was a presenter of specialized seminars on programs developed by John F. Grostic, beginning in 1960, and on his own atlas orthogonality program, created in 1981.

He has designed an atlas orthogonal computerized X-ray analysis program, a chiropractic adjusting instrument and X-ray equipment.