Dorian Yates’ way of training hasn’t changed since hoisting the Sandow trophy into the air. On Nov. 19, 2025, he broke down ‘The Colorado Experiment,’ which saw Casey Viator gain 63 pounds in just 28 days, proving that science-based high-intensity training works.

The study featured the late Arthur Jones and Casey Viator as its subjects. Jones invented the Nautilus machines and redefined how bodybuilders approached training. Though performing a fixed number of sets and reps was the norm, Jones challenged this idea.

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Instead, he argued the ‘less is more’ philosophy. Jones was adamant that achieving failure was more important than time spent at the gym. This system was later adopted and then manipulated by Dorian Yates , who leveraged it to become a six-ti

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