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The Poolside Intervention: How a Triathlete Helped Me Rethink Knee Surgery

Matt Brooke with Wayne Leal

A surgeon said my path was inevitable. A triathlete questioned the inevitability.

Part One of a Three-Month Diary

Two years ago, a surgeon mapped out my future: manage the pain until I couldn’t, then get a knee replacement. It was a logical, linear path, and I took it seriously. Once you commit to a replacement, that’s it—there’s no going back, and future revisions bring their own complications.

Lately, though, I felt I was edging closer to that moment. Or at least, I thought I was. But during a follow-up appointment with the registrar, the conversation unexpectedly shifted. Instead of the slow march toward surgery, he outlined two alternatives that might keep me moving without going under the knife:

  • Durolane — a temporary viscosupplement
  • Arthrosamid — a long-term hydrogel implant designed to integrate into the joint

Both, he said, were legitimate options. Both could buy me meaningful time. But information alone wasn’t enough. After decades of training, coaching, and teaching movement, I’ve developed a finely tuned scepticism—particularly toward glossy brochures and enthusiastic claims. I wanted something real. Something lived.

That proof arrived in a place I didn’t expect: poolside.

The Conversation That Cut Through the Noise

At my second home (swimming pool) I mentioned my knee issue to my friend Matt Brooke, a triathlete whose physical literacy and determination I’ve always respected. Without hesitation, he said:

“I had Arthrosamid. It changed everything.”

He told me how he’d struggled with his knee, had the injection, rebuilt his strength, and not long after won an event in the Czech Republic. He’s half my age, but that didn’t matter—the point wasn’t the number, it was the authenticity. It wasn’t a study. It wasn’t a sales pitch. It was a real human being whose knee had been failing him, just like mine.

That conversation did more for me than any clinical leaflet. It cut straight through the “best outcome” claims and the marketing polish. That’s when I made my decision.

The Assessment: A Gym That Felt Like a Time Machine

Before the procedure, I had a strength assessment with specialist physiotherapist Charlie Goodchild. Part of it took place in a gym—a space that now feels oddly distant from the way I train today. Watching the younger men grinding through their routines felt like looking into a version of my past from thirty years ago. If I could speak to that younger self, I’d tell him to tread carefully; all I could see were injuries waiting to happen.

Charlie kept the assessment clinical and precise. He measured both legs, logged the differences, and ran me through exercises to identify imbalances. The numbers didn’t lie: my left side was lagging.

Dr George Bownes, who oversaw the procedure, gave me a single dose of antibiotics to reduce infection risk. Then it was time.

The Injection: Not My Favourite Experience — But Tolerable

The skin around my knee was sterilised. A local anaesthetic delivered its quick sting. Using ultrasound guidance, the specialist inserted a fine needle into the joint, checked for fluid, drained it, and slowly released the Arthrosamid hydrogel.

I’ve never been a fan of injections, and I felt the sensation of fullness as the material went in—strange but not painful. The anaesthetic held up. The whole thing was done in under 30 minutes.

I stayed another half-hour while George checked that everything looked right and that I felt fine. Then I headed out.

The Selfridges Moment

On my way to the station, I wandered through Selfridges Food Hall. I’d eaten nothing all morning and felt ravenous. I honestly thought I could wipe out half the counters. Instead, I walked out with nothing.

Whether it was the treatment, the adrenaline wearing off, or simply the strangeness of the day, I couldn’t face eating. It wasn’t until I got home that my appetite returned with a vengeance. I raided my kitchen, ate properly, and then—unusually for me—took a nap.

And I’ll say this: it was the best decision I made that day. No bravado. No pushing through. Just listening to my body.

A Shift I Could Feel

Walking to the station earlier, I noticed something. A subtle change. A kind of post-injection high — I’ve done it; now let’s see what happens.

As someone who teaches somatic awareness—a practice built on tuning into the body’s internal feedback—I trust these sensations. Whether psychosomatic or physiological, the shift was clear.

Arthrosamid provides the usual post-exercise sheet, but the movements are the generic physio recommendations anyone with a knee issue receives. I’ll stick with my KunAqua water training, which George agreed was the best option for me for now.

What Happens Next

George forewarned me that the knee will be swollen for a while, but I know that stillness isn’t in my nature. While I won’t put pressure on the knee, I’ll continue with Plank-Press, Reverse Curls and modified tree pose—anything that keeps me active without compromising the joint.

At an overall cost of £3,500, the treatment is not cheap. And I’ve never paid for an MRI before — but at £250 per knee, it’ll be a while before I do that again.

The next twelve weeks will tell the real story. Arthrosamid’s full effect isn’t immediate; it builds gradually. I’m entering this process with curiosity, realism, and zero expectations beyond the hope of staying mobile without turning to a knee replacement just yet.

Matt’s success showed me what’s possible. Now it’s my turn to see how far this road goes.

Part Two coming soon.

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