Achieve the flexibility level you always wanted

with evidence-based programs born out of years of research.

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Why am I not getting flexible?

If you've been training for a while without seeing meaningful results, chances are you're doing what naturally flexible people do.
Naturally, flexible people have a genetic advantage that allows them to achieve significant flexibility levels by doing the bare minimum (especially if they start young). 

 

The sad reality

In reality, however, most people start on the other side of the fence, as stiff adults striving to gain flexibility.

The challenges on that side are entirely different and you won’t see results from

- a 15-minute follow-along routine on YouTube
- a former gymnast’s 1-hour flexibility workout
- daily yoga classes
- or even a 'new' full-range strength program. 


In truth, your margin for error is minimal, and following what worked for others (who are built differently) will only
waste your time and lead to frustration.

 

HOW TO GET FLEXIBLE? 

Range Optimization System (ROS™)

To fully achieve your flexibility goals, you need to utilize all available, proven practices in a well-coordinated way, rooted in exercise science principles. In other words, you need an 'evidence-based training system,' which is exactly what we've been dedicated to developing over the past few years.

Today, we're proud to offer programs built entirely on the Range Optimization System (ROS™)—the first system to combine all known evidence-based methods into one comprehensive training framework, following well-defined exercise science principles. We strongly believe that training with programs based on the ROS™ is the fastest and safest way to become flexible today.

What makes the ROS™ methodology different?

 

Benefit from 11 methods not 1 or 2

Today, there are at least 11 distinct flexibility methods, each offering unique benefits. Trying to improve flexibility by using only a few is like trying to box with one arm.

Our approach leverages all these proven methods, targeting flexibility from every angle.

 

Utilizes all 4 science-proven mechanisms that increase flexibility

Scientific literature identifies four proven mechanisms responsible for increasing flexibility. Unfortunately, most programs don’t utilize these fundamental physiological pathways. Our methodology is built entirely on leveraging these four evidence-based mechanisms, targeting flexibility from every possible angle.

 

Flexibility Map™
An advanced tracking system 

Use our newly developed Flexibility Map™ to track your progress, pinpoint how far you are from your goals, and stay motivated. Visualizing your current flexibility level and goals has never been easier.

Flexibility Map™
An advanced tracking system 

Use our newly developed Flexibility Map™ to track your progress, pinpoint how far you are from your goals, and stay motivated. Visualizing your current flexibility level and goals has never been easier.

 

Evidence-based instructions

Stretching for 15, 30, or 60 seconds matters! The same goes for the number of reps and sets, as well as the duration of your holds, contractions, and rest intervals. That’s why we left nothing to chance. The instructions in our programs follow proven protocols from hundreds of published studies.

 
 

Innovative contraction techniques 

Experience quantum progress with our advanced contraction techniques. While we didn’t invent contractions in flexibility training, which have been around since the 60s, we’ve developed a new way to perform them that maximizes results. We're proud to offer these techniques in our programs with step-by-step guidance on how to apply them effectively.  

 

Original methods

Our programs exclusively offer the original methods developed by our team: the C-PR™ and A-AR™. We believe these methods are the natural extension of research-based techniques and bridge the gap between active-centered and passive-centered methodologies.

Built on Exercise Science Principles

Our programs are built on well-established exercise science principles, ensuring maximum effectiveness while minimizing the risk of injury. By adhering to these proven guidelines, we not only deliver results but also promote long-term success and optimal joint health, allowing you to train safely and sustainably.

 

Much more than programs

With hundreds of video presentations and step-by-step guidance on every aspect of your training, we believe these are not just programs but likely the most comprehensive flexibility library available.

This extensive material is designed to support every step of your journey, ensuring a smooth and effective learning and training experience.

 

HOW WE GOT TO THESE PROGRAMS? 

 

Flexibility was the first component Yiannis began researching in his quest to create the most comprehensive training system for the human body.

After years of research, he developed the Range Optimization System™ (ROS).
ROS™ is the basis of all the programs we create today.

What are you waiting for?

You’re not here by accident—seize the chance to achieve your goals today!

Side Split 1 | $99
Side Split 2 | $109
Side Split 1 & 2 | $149