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The $10,000 Mistake That Changed How I Coach Forever

  • Writer: Ruston Webb, MS
    Ruston Webb, MS
  • Aug 22
  • 6 min read

Back in 2006, I made a $10,000 mistake.


At the time, I was grinding.


I wanted to build my reputation, get referrals and prove to everyone, including myself, that I was a damn good trainer.


So when a high-profile client walked through my doors, someone with money, influence and connections, I saw opportunity.


A lot of it.


He was built like a machine.


Broad shoulders.


Thick chest.


Arms that looked like they were sculpted out of stone.


But the moment he moved?


I should have noticed it immediately.


The stiffness. The tightness. The way his joints resisted rather than flowed.


Looking back now, the warning signs seem obvious.


At the time, they weren't.


Because back then, I thought the way a lot of trainers thought.


Mobility? That's basically stretching. Strength is what really matters.


So I did what I knew.


I trained him harder.


Squats.


Deadlifts.


Heavy presses.


My thinking was pretty straightforward: build enough strength around the body and everything else will take care of itself.


It didn't.


Two Weeks Later, Everything Changed


About two weeks into training, he tweaked his back.


He came into the gym moving cautiously and clearly uncomfortable.


And he was pissed.


“I don't know what's going on, man. My back has never felt like this before.”


I immediately started searching for an explanation.


Maybe it was DOMS.


Maybe we needed to adjust the volume.


Maybe he had a small strain and just needed a few days.


I was trying to solve the immediate problem.


But somewhere underneath all of that, I knew I had missed something.


I had been so focused on proving that I could train him that I hadn't spent enough time understanding whether he was actually prepared for the training I was giving him.


That's a very different question.


And it ended up being an expensive one.


He stopped training with me.


Stopped responding to my messages.


A few weeks later, I heard he had started working with another trainer.


Someone who understood mobility.


Ouch.


It Cost More Than One Client


At first, I thought I had lost a training package.


Then I started thinking about what the relationship might have become.


The sessions.


The renewals.


The referrals.


His network.


His influence.


The trust I had already begun to build.


When I ran the numbers, I figured I had probably left at least $10,000 in potential business on the table.


Maybe more.


But the money wasn't actually the part that stayed with me.


It was realizing that I had failed to see what was right in front of me.


I was so focused on looking like the expert that I hadn't yet developed enough expertise to recognize what I was missing.


That bothered me.


A lot.


And it changed the direction of my coaching.


Strength Wasn't the Problem


Here's something I want to make clear.


The lesson wasn't:


Strength training is dangerous.


It isn't.


And it wasn't:


Never squat, deadlift or press someone who is stiff.


That's not the lesson either.


Strength matters tremendously.


The mistake was assuming strength was the answer to everything I was seeing.


I had a client who clearly had limitations in how he moved, and instead of getting curious about those limitations, I simply kept adding load.


That's what I would do differently today.


Before I ask:


How much weight can this person move?


I want to understand:


What movement do they actually have access to?


Where are they limited?


What positions are difficult?


What can they control?


Where are they compensating?


Do they have the movement options required for what I'm asking them to do?


And if there's something I'm seeing that falls outside my scope, does this person need to be evaluated by an appropriate healthcare professional before we continue?


That's better coaching.


“Mobility First” Means Something Different to Me Now


That experience left me with a phrase that stuck:


Mobility first.


But I don't mean mobility always has to be the first thing chronologically in every workout.


And I don't mean someone needs perfect mobility before they're allowed to get strong.


I mean movement access matters.


If I'm eventually asking someone to squat, rotate, press, pull, reach, run, decelerate or produce force through a position, I need to care whether they can actually get there and control it.


Strength without sufficient movement options can create workarounds.


And the body is very good at finding workarounds.


That doesn't necessarily mean something will go wrong.


But it does mean the movement you're loading may not be the movement you think you're training.


That's a distinction I didn't understand well enough in 2006.


I do now.


The Body Will Find a Way


This is one of the most useful things a coach can understand.


Give the body a task and it will usually find some way to accomplish it.


Limited ankle movement?


The body may find movement somewhere else.


Limited hip rotation?


It will still rotate somehow.


Shoulder doesn't move particularly well overhead?


You can still get the dumbbell above your head.


The question isn't simply, “Did they complete the rep?”


The better question is:


“How did they complete the rep?”


That's where mobility assessments and movement observation become valuable.


Not because we're looking for reasons to tell everyone they're dysfunctional.


Not because every compensation is dangerous.


And certainly not because we're trying to diagnose orthopedic conditions.


We're trying to understand the movement we're about to load.


There's a big difference.


I Used to Think the Workout Was the Product


This experience also changed the way I thought about my value as a trainer.


Early in my career, I thought people were paying me primarily because I knew how to give them a great workout.


A hard workout.


A smart workout.


A workout that got results.


And those things matter.


But eventually I realized something.


A workout is only as valuable as your ability to make it appropriate for the person doing it.


Two trainers can know the exact same squat.


The exact same deadlift.


The exact same press.


The difference is what they see before, during and after the exercise.


One coach sees the movement.


The other sees only the rep.


That's expertise.


This Mistake Eventually Became Part of The Mobility Recipe


I obviously didn't create The Mobility Recipe because of one client in 2006.


There were years of education, experience, mistakes, experimentation, research and coaching that came afterward.


But this was one of those early moments that stuck with me.


I wanted to understand movement better.


I wanted better answers than:


“Stretch it.”


“Foam roll it.”


“Just strengthen it.”


I wanted to know how mobility, stability, muscle activation, strength and movement fit together.


And I wanted fitness professionals to have a better system for seeing what I failed to see with that client.


That's part of why assessments matter so much to me.


It's why mobility education matters.


It's why having hundreds of well-designed exercises isn't enough unless coaches understand how and when to use them.


And it's why I believe fitness professionals should become exceptionally good at movement, not just exercise.


The Cost of Missing What Matters


Most mistakes in a fitness business don't arrive with a $10,000 invoice.


They're quieter than that.


A client who doesn't renew.


Someone who stops attending.


A member who keeps feeling limited and eventually decides your training isn't helping anymore.


A referral that never happens.


A coach who keeps programming around the same limitation instead of learning how to appropriately address it.


A person who simply concludes:


“I guess this is just how my body is now.”


Those moments add up.


And that's why mobility isn't just another tool in the toolbox.


Understanding movement changes how you coach everything else.


It changes what you notice.


It changes the questions you ask.


It changes how you choose exercises.


It changes when you load.


It changes when you regress.


It changes when you refer out.


And sometimes it changes whether a client trusts you enough to stay.


I learned that lesson the expensive way.


You don't have to.


Because the best coaches don't just train strength.


They understand the movement they're asking strength to live inside.


Help Your Coaches See What Others Miss


The Mobility Recipe gives your team the education, mobility assessments, carefully developed exercises, done-for-you programming, sales tools, marketing resources, implementation support, and ongoing coaching to build better movement into your training business.


Whether you're introducing mobility into your club for the first time or want to take what your coaches are already doing to the next level, let's talk about what The Mobility Recipe could look like inside your club.


 
 
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