YOUR CORE ISN’T ONE MUSCLE.
IT’S A SYSTEM.
Breathing. Pressure. Posture. Movement.
Learn how they work together to create stability.
A practical first step to understanding how your body creates stability from the inside out.
You may be training the symptom – not the system.
Recurring pain, stiffness and tension don’t always come from a lack of strength or mobility.
They can develop when breathing, pressure, posture and movement stop working together.
At DEVA, we first help you recognise the compensation. Then we rebuild the coordination behind it.
That’s where the DEVA Method begins.
YOUR BODY LEARNED STABILITY
BEFORE IT LEARNED STRENGTH.
During early development, the body learns how to breathe, create support and organise movement. We use these principles to observe how your system works today.
POSITION
We use developmental positions that reveal how your body organises support and movement.
OBSERVE
We look at breathing, pressure, joint support and movement—not isolated muscles alone.
DISCOVER
You recognise where your body coordinates efficiently and where it compensates.
RE-EDUCATE
Through movement and live feedback, you learn a better strategy that can transfer into daily life and training.
We don’t isolate the symptom.
We help you understand the system.
What does your squat reveal?
A squat shows more than mobility.
It shows how your feet, ankles, knees, hips, spine, breathing and pressure organise movement together.
Where do you feel pressure?
Can your feet stay connected to the ground?
Can you breathe and remain stable?
MOVEMENT CANNOT BE LEARNED
BY WATCHING ALONE.
Your body needs feedback.
Your experience matters.
You need to feel the difference.
You need someone to observe what you cannot see.
We don’t build passive video libraries.
We teach live. We observe. We guide. We adjust.
You learn to understand your own body.
YOU ARE NOT WATCHING THE METHOD.
YOU ARE PART OF IT.
CORE INSIDE OUT
Interactive online workshop
Maximum 10 participants
Live observation and practical feedback
OA CERTIFICATION
Professional functional breathing education
Live and in person
For coaches, physiotherapists and movement professionals
ONE BODY.
THREE PERSPECTIVES.
ONE SYSTEM.
Pavol Grman
Coach, educator, co-founder, former professional footballer and Oxygen Advantage Master Instructor.
Michal Grman
Physiotherapist specialising in spine health, running, strength and functional movement.
Mário Gieci
Physiotherapist specialising in pelvic-floor function, diastasis and integrated core stability.
We combine coaching, physiotherapy, breathing education and movement observation to help people understand how their body works as a whole.
Deva is great. The Oxygen Advantage course presented by Pali was excellent. I wholeheartedly recommend the course, the instructor, and the venue.
I struggled with back pain and scoliosis, even though I occasionally exercised. DEVA Team helped me: my back pain disappeared, my overall condition improved, and my muscles became stronger.
Highly recommended from the perspective of a professional athlete, the breathing exercises have helped boost performance, improve recovery, and enhance sleep.
FAQ
Where should I start?
Start with the free Core Stability Reset. It introduces the relationship between breathing, diaphragm function, intra-abdominal pressure and core stability. When you want live observation and feedback, continue with CORE INSIDE OUT.
Is DEVA physiotherapy, coaching or education?
DEVA combines coaching, physiotherapy, breathing education and movement observation. The appropriate format depends on your needs. Educational content and workshops don’t replace individual medical assessment or diagnosis.
Can I participate online?
Yes. CORE INSIDE OUT is delivered live online. OA certifications and selected workshops are offered in person. Each offer page states the exact format.
START BY UNDERSTANDING YOUR OWN SYSTEM.
Prefer live guidance? Explore CORE INSIDE OUT.


