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Books & Videos

Trembling Shock: Strength & Conditioning Guide for Martial Athletes & Coaches

Trembling Shock Book Cover

Coaches and Athletes guide to strength and conditioning for combat sports. Learn how to seamlessly combined barbell, kettlebells, and body weight training methods to give you or your students a competitive edge. Discover how to hit harder, faster, and last longer then even the toughest opponent. Grandmaster Engum reveals his blueprint for Martial Strength and Conditioning success.

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An Insider’s Guide to Ultimate Flexibility

Flexible Steel An Insider's Guide To Ultimate Flexibility book cover.
This book reveals the complete “Flexible Steel” system Jon Engum developed to regain and maintain his edge as a fighter. But even more importantly, Flexible Steel can give you the most priceless gift of all: the freedom to move, pain-free, with easy power, graceful strength and a sense of fluid well being.

A Simple System of Secrets for Regaining Your Youthful Mobility
and Mastering the Art of Flexible Strength

Table of Contents

  1. Introduction
  2. Who Needs Rotation?
  3. The Three Big S’s
  4. Get Your Kicks…Up!!
  5. From Tin Man To Plastic Man
  6. The Tactical Frog
  7. Splits Defined
  8. Stemming Your Way To The Splits
  9. Front Splits For Back Health
  10. Just Add Water
  11. Escape Your Fighting Stance
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Flexible Steel
Fundamentals

Jon Engum's Flexible Steel - Be Flexible and Strong! Become Flexible Steel book DVD cover.
Now available for instant online streaming and download!

Featuring 4 follow-along programs that will take your flexibility and mobility to the next level and beyond.

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Flexible Steel Online Nunchaku Course!

Flexible Steel Online Nunchaku Course logo.
The Ultimate Mind-body, Shoulder Mobility, Coordination Training Program! Over 40 Easy-to-Follow Videos at your Fingertips. Clear Instructions. Digestible Lessons. Progressions from Beginner to Advanced Levels.

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Testimonials

“Flexible Steel is my favorite stretching book. Jon Engum reached his forties
before he reached his first split. Follow his remarkable journey and achieve the flexibility you never thought possible”

Pavel Tsatsouline, author of Relax into Stretch and Super Joints

Great techniques that really work.

I just this spring had the privilege to become one of Grandmaster John’s students both in Taekwando and Kettlebells. He has incorporated the techniques in his book into his classes. As a soldier it is vital that I remain both strong and agile. I came into his teachings from a background of heavy lifting with little emphasis on mobility. I have gained inches of flexibility and retained my strength. Now I have a guide I can take anywhere I go. This book gives a detailed guide on how to revitalize your body and move with power and grace. It is easy to follow and as I can personally attest, effective. I look forward to accomplishing the splits as a 30 year old.

Shawn Jacobson / Randall, MN, USA

“Just finished reading Jon Engum’s new book Flexible Steel.  It is excellent explanation of both the methodology of stretching and how to apply it into your own program to safely, quickly and effectively take your flexibility to places you never thought possible. It is the perfect companion to Pavel’s Relax into Stretch.”

David Whitley, “Iron Tamer Dave” Master RKC

“Lots of people have asked me about advanced flexibility training since they can do this or that & are looking for the next step in their training. If you’re looking for an easy-to-follow format that’s going to get you more mobile in a manner that’s still going to give you quick-twitch strength, I strongly recommend that you peep this work by my colleague, Jon Engum. Engum is a Master RKC strength training professional & a legitimate 8th degree Taekwondo black belt who can COMPLETELY walk the talk. This book gives you the fast-track insights into the training methods that he’s used to turn the below-average Joe into flexible steel.”

Dr. Mark Cheng, Los Angeles, CA