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Train less, grow more with Heavy Duty

Breaking tradition: Mentzer rejected high-volume workouts, instead promoting short, intense sessions spaced far apart to allow full recovery and better results. Core philosophy: Heavy Duty centers on ...
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Mike Mentzer once took a dig at Arnold Schwarzenegger’s workout - “In spite of his training”

A debate between Arnold Schwarzenegger and Mike Mentzer began in the 1970s, both on stage and off, about the most effective ...