Follow me on Instagram: More about me: While Mike Mentzer served in the US Air Force, he worked 12-hour shifts, and then followed that up with 'marathon workouts' as was the accepted standard in those days. In his first bodybuilding contest, he met the winner, Casey Viator. Mentzer learned that Viator trained in very high intensity (heavy weights for as many repetitions as possible, to total muscle fatigue), for very brief (20–45 minutes per session) and infrequent training sessions. Mentzer also learned that Viator almost exclusively worked out with the relatively new Nautilus machines, created and marketed by Arthur Jones in DeLand, Florida. Mentzer and Jones soon met and became friends.[5] Jones pioneered the principles of high-intensity training in the late 1960s. He emphasized the need to maintain perfectly strict form, move the weights in a slow and controlled manner, work the muscles to complete failure (positive
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