Australian Roger Walker shares his back routine in a rare appearance in a Weider publication.Source: Muscle Builder / Power (July 1979) Page #40 -Muscle Bulilder Power (Jul 1979) Page #41-Muscle Bulilder Power (Jul 1979) Page #42 -Muscle Bulilder Power (Jul 1979) Page #101 -Muscle Bulilder Power (Jul 1979)