Casey Viator shares his back routine in preparation for the 1979 Canada Cup. Source: Muscle & Fitness (Issue Apr 1980) Page #16 - Muscle & Fitness (Issue Apr 1980) Page #17 - Muscle & Fitness (Issue Apr 1980) Page #18 - Muscle & Fitness (Issue Apr 1980) Page #19 - Muscle & Fitness (Issue Apr 1980)