Heavy Duty Principles

Discover Mike Mentzer's Proven Recommendations for Maximum Muscle Growth

✅ Discover the perfect number of sets to supercharge muscle growth without overtraining.

✅ Unearth the golden rep range that elite bodybuilders swear by.

✅ Find your personal sweet spot for training volume. Too much can harm, too little won't help. Get it just right.

✅ Learn the optimal times to train each muscle for peak results. It's not what you think!

Who Was Mike Mentzer?

Mike Mentzer was a legendary bodybuilder, Mr. Universe winner, and fitness philosopher known for his "Heavy Duty" training approach and revolutionary insights into high-intensity strength training.

Why Use Mike Mentzer's Approach?

Mike's methods are rooted in years of experience and experimentation.

They're designed to stimulate large type 2 fibers, ensure adequate reps, and avoid overtraining.

His recommendations allow you to adjust based on your unique needs and recovery abilities.

Who Am I?

I'm Alexander Cortes.

And I’m an accredited personal trainer, experienced in training men and women for 10+ years

Over 186K Twitter and 45K Instagram followers (@aja_cortes), 44K email subscribers. My fitness programs and courses have been purchased by over 50,000 people

I have built a Skill Stack over 10 Years, leading to my freedom. Along with expertise in health and fitness topics, these skills include writing online and running a business as a solo entrepreneur.

My training Programs make you leaner, stronger, smarter, Bro’er.

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