Still tight. Still getting hurt. No matter what you’ve tried.
You’ve done the stretching. Maybe the yoga. The “mobility". Maybe the physio. And you’re still getting hurt in the same places, the same way.
It’s not a flexibility problem. It’s a capacity problem. You’ve got range you’ve never learned to be strong in — and that gap is where injuries live.
Stretch Yourself Strong closes the gap.
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From struggling to put his own shoes on… to this.
Before being introduced to Stretch Yourself Strong, Alex had hips that were stiff, painful and unpredictable. Every training session was management.
Every movement was cautious.
It wasn’t a flexibility problem. It was a capacity problem.
Stretch Yourself Strong rebuilt strength where he actually broke — progressively, under load.
Now he’s not thinking about his hips. He’s surfing and training harder than ever.
That’s what rebuilding trust in your body looks like.
Every guru has a favourite technique. And they’re probably all right to an extent— and all missing the point.
The technique matters less than the order.
SYS puts an end to the debate by teaching you the part nobody talks about: when to use each tool, and why.
Phase 1 — Get the range.
Stretching and isometric work to improve end-range mobility and start building strength where you’re currently weak.
Phase 2 — Learn to use it.
Dynamic work and flows through your full range, so new mobility doesn’t just sit there unused.
Phase 3 — Make it permanent.
Eccentric training that creates actual tissue changes — not temporary looseness that disappears by the next morning.
Phase 4 — Make it sport-ready.
Explosive, sport-specific loading so your mobility holds up under speed, fatigue, and real conditions.
What will you learn?
Stretch Yourself Strong (the book)
The science of why flexibility training stalls — and a four-phase system that fixes it. Written by an Exercise Physiologist with 20 years working with athletes, military personnel, and Paralympians.
The goal isn’t to be flexible. It’s to be Hard to Hurt. This is where that starts.
Your special offer — eBook
$49 $29 today
Prefer a physical book ?
ABOUT THE AUTHOR
Glenn Phipps
Glenn Phipps, B.Ex.Sp.Sci, M.Clin.Ex.Phys, AEP
Glenn Phipps is an in-demand Exercise Physiologist who helps trainers, athletes and answer-hungry humans navigate the confusing world of exercise science, so they can avoid mindless mobility and bro-science. Having helped a long list of clientele from world champion athletes to the always injured, and even consulting with military and fitness products, he is passionate about sharing his unique take on improving movement capacity.
He has appeared on ESPN, Fox Sports and written for a range of publications including Men’s Health, Women’s Health and Fitness, and many more. When not writing bio’s in the 3rd person, he is doing his best to convince his body that it is still 20 years old, in order to continue to push hard through his outdoor and water-based passions.
“Glenn’s knowledge is only surpassed by his excitement for helping others. Glenn is a great resource for anyone looking to improve their performance and health.”
RYAN ATKINS, OCR World Champ, Toughest Mudder World Champ (and lots of other crazy stuff..
“This is a game changer.”
Pete Day, Hyrox Ambassador, Hybrid Athlete
FAQ
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Sessions range from 5 minutes to 20 minutes. Ideally, you would do a 20-minute session at least once a week and 5-minute sessions daily.
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You could do everything here without any real gym equipment. If you are prepping for an event such as Hyrox, best results would see you applying the sport specific strategies in the Phase 4 training on equipment used in the Hyriox stations.
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This program is designed for those as stiff as a board or as bendy as whatever the opposite of a stiff board is.
The point is to gain flexibility, then ensure we are strong through out full range. The techniques in this program have been proven to create flexibility gains quickly, even in those people who have found stretching and mobility exercises to not work for them
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Most mobility programs are good at getting you to utilise the range of motion you already have. Plus, they do little to create sport specific gains through creating not only strong, but explosive range of motion.
The techniques in this system;
Create strength through full range
Target tendon strength and function through specific techqniques
Recognise that flexibility is different under different conditions such as speed and load, and program accordingly
Allow you to gain range of motion, then learn how to use that range
Create permanent change (not just in the hours or days after activity) through muscle fibre changes not seen in other programming
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Stretch Yourself Strong not only uses a wide range of techniques but puts them into an order based on the physiological adaptations they create.
Stretching, dynamic exercise (mobility), eccentric training and a progression of isometric training including end range isometrics, variable angle isometrics, eccentric-quasi isometrics and explosive isometrics.
Which all sounds like a lot of stuff, but rest assured it is easy enough to follow along with!