Join heavyweight prospect Zach Spiller as he takes you through his intense push-up core routine. Designed to build formidable strength and endurance, Zach's regimen is perfect for aspiring athletes ...
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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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