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Duncan Berends RKC-II Instructor PCC Instructor Pistol Squat

How Dragon Door Certifications Helped Me Grow BuitenFit Haarlem

BuitenFit Haarlem Duncan Berends Jun 09, 2020

Before I founded BuitenFit Haarlem, I worked hard to earn several Dragon Door certifications. I chose to train for and attend the RKC, RKC-II and PCC workshops because I wanted to invest in sharpening… Read more

What Real Users of The IsoMax Have to Say

“Having been a Strength and Conditioning Coach for 40 years (33 years at the college level, 7 years at the high school level), I have seen a LOT of devices come and go. The IsoMax impresses me so much that I would definitely incorporate it into my program if I were starting all over again in my career. It'll defin… Read More

Rod Cole

Stephenville, TX

“Been working out since 1975. The Isomax has taken center stage. The combination of convenient, very effective isometrics and seeing the amount of force generated on each rep is phenomenal. Dragon Door's innovations are a godsend. I'm 70 and the strongest I have ever been.”

Bob Lorenz

Vernon, NY

“I have been able to gain more muscle mass and increased strength with the Isomax than with any free weights or weight machine. I am in my mid 40s and have been lifting weights since my late teenage years, but nothing I have tried compares to the Isomax!”

Mike Little

Lansing, NC

Excellent Isometric Trainer. Additional training technique to weights. Exercises your muscles differently than normal weights. For those people like me who have never trained isometrically they stimulate your muscles without risk of injury. Isometrics strengthens muscle strength / endurance in different ways to w… Read More

Tommy Cusack

London, England

I love my IsoMax. I am 55, I had the normal aches and pains you would expect for someone my age. Back, knee and tricep tendonitis. I have been using the IsoMax for 4 months, my aches and pains have faded to nothing. My blood pressure has also improved and i have effortlessly gained muscle. And i am only using it … Read More

Stu W.

Long Island, NY

I like the workouts But it would have been

I like the workouts
But it would have been great if they was on DVDs

A program that is designed help the Boomer live their best life!

A comprehensive program that goes beyond just "what to do" but "how to do it" with regressions that make the program doable over a large group of people with different abilities. Importantly, not just strength and conditioning but also balance (fall prevention) and flexibility. In the real world, most Boomers are not pressing 32 K kettlebells and the video shows actual boomers of different ability.

Your kettlebells are the best

Your kettlebells are the best.

Great product

very interesting

very interesting book

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How Dragon Door Certifications Helped Me Grow BuitenFit Haarlem

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What Real Users of The IsoMax Have to Say

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