YOUR MARTIAL ARTS HAVE EVOLVED. HAS YOUR BODY KEPT UP?

A complete six-stage training path for martial artists over 40 who want to develop stronger structure, better mobility, connected power, and the physical resilience to keep training for decades.

THE IRON BODY CORE SYSTEM™

Stop piecing together random workouts, mobility drills, breathing exercises, and internal power practices.

Follow one integrated system that shows you what to train, why it matters, and how the pieces fit together.

Six stages. One progressive path. A stronger foundation for your martial art.


YOUR TECHNIQUE MAY BE BETTER THAN EVER.

BUT CAN YOUR BODY STILL DELIVER?

Dear Fellow Warrior,

Think about the martial artist you were 20 years ago.

You probably didn't know half of what you know today.

Your timing wasn't as refined.

Your techniques weren't as polished.

Your understanding of distance, leverage, balance, and power was nowhere near what it is now.

You've spent decades becoming a better martial artist.

But there's a problem.

Your body may not have kept pace with your knowledge.

Maybe your hips have gotten tighter.

Maybe your stances aren't as strong as they used to be.

Maybe you need more recovery time between hard training sessions.

Maybe your shoulders, knees, or lower back have started dictating what you can and cannot practice.

Or maybe you simply feel that you're working harder than necessary to produce the power you once took for granted.

Sound familiar?

Here's something I've learned after nearly 40 years in martial arts:

Knowing how to perform a technique and having the physical ability to express that technique are two very different things.

You can understand every detail of a powerful strike.

But if your structure collapses under pressure, that knowledge can only take you so far.

You can understand how to generate power from the ground.

But if your hips don't move well and your body doesn't work as one connected unit, much of that potential remains untapped.

And you can spend a lifetime collecting techniques...

While neglecting the one instrument responsible for performing every single one of them.

Your body.

That's why I created the Iron Body Core System.

THE MISSING LINK IN YOUR MARTIAL ARTS TRAINING

Most martial artists have no shortage of things to practice.

Kata. Forms. Sparring. Drills. Weapons. Grappling. Conditioning.

Then we add strength training, mobility work, stretching, breathing exercises, and perhaps some qigong.

Each has value.

But there's a critical question:

How does all of it fit together?

How does your strength training improve your rooting?

How does your breathing support your structure?

How do your isometric exercises carry over into movement?

How do you develop the ability to produce force without constantly fighting against your own tension?

And how do you train these qualities without adding another two hours to your already crowded schedule?

That's the problem with fragmented training.

You can spend years practicing valuable methods without developing a coherent approach to integrating them.

The Iron Body Core System was built to change that.

Not by replacing your martial art.

By developing the physical qualities that support it.


INTRODUCING THE IRON BODY CORE SYSTEM™

BUILD THE BODY BENEATH THE ART™

The Iron Body Core System brings together traditional martial body-conditioning methods and modern strength-training principles into one progressive curriculum.

It draws on methods I've studied, practiced, and taught for decades:

  • Structural isometrics and tendon-focused strength training

  • Zhan Zhuang standing practice and rooting

  • Martial qigong and breath coordination

  • Yi Jin Jing-inspired tendon conditioning

  • Mobility, controlled movement, and whole-body integration

  • Traditional martial training principles applied to modern physical development

But the real value isn't any single method.

It's how the methods work together.

Rather than handing you a collection of unrelated exercises, I've organized the training into six progressive stages.

Each stage develops qualities that support the next.

You begin by establishing a practical daily foundation.

Then you progressively refine your structure, breathing, strength, elasticity, and coordinated movement.

The objective is straightforward:

Build a stronger, better-connected, more capable body that supports your martial arts practice—not one that constantly gets in the way.


THE IRON BODY TRIANGLE™

THREE QUALITIES. EVERY TECHNIQUE. EVERY MARTIAL ART.

Here's something I've learned after nearly 40 years of martial arts training.

Every technique you perform—whether it's a punch, kick, throw, joint lock, or kata movement—depends on three fundamental qualities.

STRUCTURE. BREATH. MOVEMENT.

I call this The Iron Body Triangle™.

Structure determines how effectively your body organizes itself, maintains alignment, and transmits force.

Breath influences how you manage tension, pressure, relaxation, and effort.

Movement determines how effectively you coordinate your body through space.

These qualities are inseparable.

And here's what makes this so important.

You can improve the effectiveness of a technique without changing the technique itself.

Organize your structure more effectively.

Coordinate your breathing.

Connect your movement.

Suddenly, the technique you've practiced for 20 years may feel completely different.

Not because you learned another technique.

Because you've improved the body performing it.

That's the philosophy behind the Iron Body Core System.

Rather than simply adding more exercises to your training, we systematically develop the physical qualities that support everything you already practice.

Six progressive stages. Three foundational qualities. One stronger martial arts body.


THE SIX STAGES OF THE IRON BODY SYSTEM

STAGE 1 — FOUNDATION

Iron Body Daily Eight

Build your daily foundation in as little as 10 minutes.

Everything begins here.

You'll learn eight foundational exercises designed to introduce the essential qualities of Iron Body training.

Standing practice. Tendon conditioning. Horse stance breathing. Structural isometrics. Carries. Crawling. Body conditioning. Dantian breathing.

You'll have 10-, 20-, and 30-minute practice options, allowing you to establish consistency before increasing your training volume.

Your goal: Create a repeatable daily practice that develops basic strength, mobility, breathing awareness, and structural control.

STAGE 2 — DEVELOPMENT

Advanced Iron Body Daily Eight

Take the foundation deeper.

Once you've established the basic practices, it's time to increase the challenge.

You'll work with longer holds, more demanding progressions, greater structural endurance, and more refined breathing and body awareness.

The emphasis shifts from simply performing the exercises to improving the quality of every repetition and hold.

Your goal: Develop greater control, endurance, and consistency in the foundational Iron Body practices.

STAGE 3 — STRUCTURE

Zhan Zhuang Unleashed

Discover why stillness is one of the most powerful tools in martial training.

Zhan Zhuang—standing meditation—is much more than standing still.

It provides a focused environment for studying alignment, balance, relaxation, breathing, and the relationship between tension and stability.

You'll learn to recognize unnecessary muscular effort and develop better whole-body organization.

And that awareness doesn't have to stay in your standing practice.

It can inform how you move, step, strike, and maintain your structure during martial training.

Your goal: Develop more stable alignment, stronger postural control, and a deeper awareness of whole-body connection.

STAGE 4 — PRESSURE

Martial Qigong

Learn to coordinate your breath with your body.

Breathing is one of the most overlooked elements of physical performance.

Many practitioners hold their breath unnecessarily, brace excessively, or lose coordination when an exercise becomes demanding.

Martial Qigong introduces methods for improving breathing awareness, relaxation, postural control, and coordination.

You'll explore how breathing and muscular tension interact—and how to apply that understanding to your training.

Your goal: Develop more deliberate breath control and the ability to coordinate breathing, posture, and effort.

STAGE 5 — ELASTICITY

The Iron Silk Method

Develop strength that connects the whole body.

This stage brings together Yi Jin Jing-inspired practices and advanced isometric training.

You'll explore tendon-loading exercises, structural holds, controlled tension, and the relationship between strength and coordinated movement.

The objective isn't simply to become stronger in isolated positions.

It's to develop the ability to organize and express strength through the body as a connected system.

Your goal: Improve strength, control, and coordinated force production through progressive practice.

STAGE 6 — INTEGRATION

Iron Body Kata

Bring the entire system together through movement.

This is where the individual pieces become a unified practice.

Structure.

Breathing.

Rooting.

Controlled tension.

Elasticity.

Movement.

Rather than treating these as separate training categories, you'll begin bringing them together through an integrated martial practice.

Your goal: Apply the principles developed throughout the system to coordinated movement you can continue refining over time.


WHY THIS IS DIFFERENT FROM ANOTHER FITNESS PROGRAM

Most fitness programs are built around a particular result.

Lift more weight.

Burn more calories.

Build bigger muscles.

Improve your conditioning.

There's nothing inherently wrong with those goals.

But martial artists have additional demands.

You need strength that supports movement.

Mobility you can control.

Stability without excessive rigidity.

Breathing that works with your effort.

And the ability to coordinate your body while performing complex techniques.

The Iron Body Core System trains those underlying qualities deliberately.

It isn't designed to turn you into a bodybuilder, powerlifter, or endurance athlete.

It's designed to complement the martial art you've already spent years developing.

Whether you practice karate, jujutsu, kung fu, Bujinkan, Filipino martial arts, internal arts, or another discipline, the underlying principles remain relevant.

Your art may be different.

But you still have to express it through your body.

YOU DON'T HAVE TO START OVER.

YOU HAVE TO START TRAINING WITH A BETTER PLAN.

One of the biggest mistakes experienced martial artists make is trying to train exactly as they did at 25.

They chase the same intensity.

Ignore recovery.

Force movements their bodies aren't prepared for.

Or pile additional exercises onto an already demanding training schedule.

Eventually, something gives.

The alternative isn't to stop training hard.

It's to become more intelligent about how you develop your body.

The Iron Body System gives you a progression you can adapt to your current abilities.

Begin with manageable sessions.

Establish quality movement.

Build capacity gradually.

Progress when you're ready.

And continue practicing your martial art alongside the system.

This isn't about turning back the clock.

It's about making better use of the years of experience you've already earned.

EVERYTHING YOU NEED. ONE COMPLETE TRAINING PATH.

When you enroll in the Iron Body Core System, you receive the complete six-stage curriculum:

Your Training Programs

  • Iron Body Daily Eight

  • Advanced Iron Body Daily Eight

  • Zhan Zhuang Unleashed

  • Martial Qigong

  • Iron Silk Method

  • Iron Body Kata

Your Supporting Training Resources

  • The 174-page Iron Body System book

  • Iron Body Practitioner Journal

  • Daily Training Protocols

  • Guided Implementation Path

These resources are designed to help you understand the principles, organize your practice, and track your development.

Instead of wondering which program to start next, you'll have a defined training path.

And instead of buying each component separately, you'll receive the complete Core System in one enrollment.


PLUS: THE IRON BODY PRACTITIONER'S CIRCLE

YOU DON'T HAVE TO WALK THE PATH ALONE.

Learning the exercises is only the beginning.

The real work comes from practicing consistently, refining your understanding, and applying the principles to your own martial arts training.

That's why your enrollment also includes access to the Iron Body Practitioner's Circle.

A private community of fellow practitioners working to develop strength, structure, mobility, and martial longevity.

A place to discuss your training, ask questions, share progress, and learn alongside others following the same path.

Because consistent practice becomes easier when you're part of a community committed to the same work.


WHO SHOULD ENROLL?

The Iron Body Core System is for the martial artist who still takes training seriously.

The karate practitioner who wants stronger stances and better body control.

The jujutsu student who wants to develop structure and coordinated strength.

The kung fu or internal arts practitioner interested in rooting, breathwork, and whole-body connection.

The instructor who wants to continue demonstrating, teaching, and practicing with confidence.

And the lifelong martial artist who recognizes that physical development deserves the same attention as technical development.

You don't need to abandon your current style.

You don't need to be an expert in qigong or internal training.

You don't need to devote hours every day to the program.

But you do need to be willing to practice.

This is a training system—not a collection of secrets you can absorb by watching videos.


A PERSONAL WORD FROM THE WARRIOR COACH

Over nearly four decades of martial arts training, I've studied a wide range of systems.

Bujinkan Budo Taijutsu.

Aikijujutsu.

Internal martial arts.

Zhan Zhuang.

Yiquan.

Qigong.

Strength and conditioning.

Isometric training.

And many other methods of developing the human body for martial performance.

Along the way, I've learned something important.

The best training methods don't simply make you better at an exercise. They develop qualities you can carry into everything else you do.

That's what I've tried to accomplish with the Iron Body System.

Not another collection of impressive drills.

Not another fitness trend.

A practical methodology built from decades of study, experimentation, teaching, and training.

One that respects the traditional principles of martial body development while recognizing what modern strength and movement science can contribute.

And one that you can continue practicing as your body, abilities, and goals change over time.

Because after all these years, my objective hasn't changed.

I want to keep getting better at martial arts.

And I want my body to support that goal for as long as possible.

If that sounds familiar, this system was created for someone like you.

— Jon Haas

The Warrior Coach



THE COMPLETE IRON BODY CORE SYSTEM

ONE SYSTEM. SIX STAGES. $297.

You could continue piecing together individual courses, exercises, and training methods.

You could keep searching for the next mobility routine, breathing drill, or strength program.

Or you can follow a complete system that organizes those methods into a coherent training path.

Your enrollment includes:

✓ All six Iron Body training stages

✓ The 174-page Iron Body System book

✓ Practitioner Journal and Daily Training Protocols

✓ Guided Implementation Path

✓ Access to the Iron Body Practitioner's Circle

✓ Lifetime access to the purchased curriculum

One payment: $297. No recurring subscription required for the Core System.

YES — I'M READY TO BUILD MY IRON BODY




Begin The Iron Body Core System Path Today

If you are ready to stop training fragments...

and start following a complete system...

this is your next step.

The Iron Body Core System gives you the full roadmap, the training methods, the daily protocols, and the progressive path to build a stronger, more resilient martial body.

Not someday.

Starting now.

Click Here To Begin <==


THE NEXT CHAPTER OF YOUR MARTIAL ARTS TRAINING STARTS WITH YOUR BODY.

Think about where your martial arts could be five years from now.

Your technical understanding will continue to grow.

Your experience will continue to deepen.

But what are you doing today to make sure your body can keep pace?

That's the question.

You can spend another five years collecting more techniques and hoping your body holds up.

Or you can make the physical foundation of your martial arts a deliberate part of your training.

Better structure. Better movement. More connected strength. A more sustainable approach to lifelong martial practice.

That's what the Iron Body Core System is designed to help you develop.

And the path begins with your next training session.

BEGIN THE IRON BODY CORE SYSTEM

Build the Body Beneath the Art™

Stronger Every Day!

Jon Haas

The Warrior Coach

Structure. Pressure. Elasticity. Integration. Embodiment.

FREE BONUSES (Limited Time Only)

These Free Bonuses will Enhance and Support Your Training Experience

BONUS #1: The Iron Body Practitioner's Circle

Never Walk The Path Alone

One of the biggest reasons people fail isn't because they lack information.

It's because they lack guidance.

The Iron Body Core System provides the curriculum, the roadmap, and the training methods.

The Iron Body Practitioner's Circle helps you implement them.

As a member, you'll gain exclusive access to a private community of dedicated martial artists and practitioners who are committed to building lifelong strength, resilience, and capability.

Inside the Practitioner's Circle, you'll receive:

⚔️ Direct access to Jon Haas for questions and guidance

⚔️ Training implementation and troubleshooting support

⚔️ Bonus lessons, insights, and occasional unreleased material

⚔️ Behind-the-scenes updates as the Iron Body System continues to evolve

⚔️ Opportunities to connect with like-minded practitioners from around the world

⚔️ Accountability, encouragement, and support on your journey

A small adjustment can save months of frustration.

A simple insight can unlock a breakthrough.

The Practitioner's Circle was created to help you stay on the path and continue progressing toward becoming an Iron Body Practitioner.

Value: $197

Yours Free When You Enroll Today


BONUS #2: The Iron Body System Book

A complete companion guide that distills the core teachings of the Iron Body System into a practical reference manual. 

Includes the Five Pillars, Seven Laws, developmental roadmap, Daily Eight practice framework, and key principles for lifelong strength, resilience, and martial power. 

174 pages.

Value: $97

Yours Free When You Enroll Today

Testimonials for The Iron Body Core System

“Iron Body Practitioner Program excellent teaching by Coach Jon Haas from beginning daily return promise to turning practice into a ritual lifetime commitment.”

“ I succeeded in establishing a daily practice and particularly enjoyed the breathwork. My core is noticeably stronger and my footwork for karate and weapons more solid,. Apart from the main coursework I found the additional videos and Q&A useful, as well as sharing the experiences of the Circle, thank you. ”

“I am really enjoying the program. I have been training daily since 7/16. I am for aiming for consistency not intensity like I have in the past. I appreciate how you really this information.”

FREQUENTLY ASKED QUESTIONS

  • Do I need previous experience with qigong or internal martial arts?

    No. The system begins with foundational practices and progressively introduces more demanding concepts and exercises.

  • What if I'm over 50 or 60 or 70?

    The principles are relevant to experienced practitioners across a wide age range. Start with appropriate variations, progress gradually, and adjust exercises to your capabilities and health circumstances.

  • How much time do I need?

    The foundational Daily Eight offers 10-, 20-, and 30-minute options. Later stages introduce additional practices and training demands. You can adapt your training schedule as you progress.

  • Do I need special equipment?

    Many of the foundational practices use bodyweight exercises, standing positions, and breathwork. Some exercises, including loaded carries, require kettlebells, dumbbells or resistance bands.

  • Can I continue practicing my current martial art?

    Absolutely. The Core System is intended to complement your existing martial arts training, not replace it.

  • Is this the same as the Iron Body Daily Eight Module 1?

    No. Module 1 introduces the foundational daily practices. The Core System includes Module 1 plus five additional training modules and supporting resources in one compete and progressive system.

  • Is there a monthly fee?

    No. The Core System is offered as a one-time $297 purchase.

  • Already own an Iron Body training module?

    Existing students may qualify for a special upgrade credit toward the complete Iron Body Core System. Contact me using the email address associated with your previous purchase to check your eligibility.

Instructor(s)

Instructor Bio:

My name is Jon Haas. I'm the founder of Warrior Fitness Training Systems, as well as a certified Underground Strength Coach-Level 2, 9th dan Black belt in Bujinkan Budo Taijutsu, and a certified Personal Trainer and FMS. I have spent over 30 years - a lifetime - training, studying and working with the best in the areas of martial arts, internal power development, and strength and conditioning to figure out how to reverse engineer the ultimate in human performance for martial art, combat sport, and living a powerful, healthy warrior lifestyle.  I have created over 44 programs (and counting!) focused on building internal power, functional strength, qigong energy training, and breathwork exercises for martial artists looking to forge the ultimate level of skill and power in their practice. The goal of my teaching has always been to help as many people as possible reveal their full capacity as human beings while living a strong, happy, and pain-free life. Visit www.warriorfitness.org for more information.

Jon Haas