04/13/2026
Don’t let your life narrow.
I’ve been an orthopedic surgeon for 30 years. The thing I watch happen to people — more than any injury or surgery — is what I call the narrowing.
Most of my patients have no idea it’s happening. They think it’s just aging. It’s not.
The narrowing is the slow shrinking of what your body will let you do — or what you assume your body can or should be doing at your age. You used to carry four grocery bags. Now you take two. You used to sit on the floor with the grandkids. Now you sit on the couch.
Nobody decides to narrow their lives intentionally. Your body quietly loses some capacity, your daily choices adjust to the loss, and within a few years the smaller version is your new normal.
Patients tell me about the narrowing every single day. They just don’t use that word. They say: “I can’t do what I used to do.” They say: “That’s just what happens at my age.” And they say it as if it’s a law of physics.
Yes — some decline is real. VO2 max drops. Max heart rate drops. Strength drops. Power drops faster than strength. Proprioception drops. But the unavoidable decline is only a small fraction of what most people are actually losing. The rest — the bigger part, the part that turns a sixty-year-old into a frail seventy-year-old — is not aging. It is disuse.
The cruelest part is that people normalize it. They don’t question it. They talk about capacities they’ve lost as if losing them was scheduled.
Once the narrowing starts, it accelerates on its own. You stop lifting heavy things. Your muscles lose fast-twitch fibers. You get weaker. You lift even less. You lose more. The loss feels like aging. You accept it. The loop tightens.
VO2 max declines about 10% per decade in sedentary adults. Strength declines slowly starting in the forties. Power declines about twice as fast as strength after fifty. Bone density drops. Balance degrades. Get over it — you still have agency over all of these.
The slope and severity of every one of those declines is profoundly modifiable with training. The sedentary decline curves are not the human decline curves. They are the untrained decline curves. Trained adults in their seventies routinely outperform untrained adults in their fifties. The body remains responsive to training well into the seventies and eighties. This is one of the best-established findings in the literature on aging. Almost nobody’s doctor tells them about it.
The patients who reverse the narrowing are not the ones with the best genetics or the best knees or the best circumstances. They are the ones who decided to do something. Something made them stop accepting the losses as inevitable, and they started doing things differently.
What have you already stopped doing? Not what you can’t do, exactly. What have you quietly stopped doing over the last five or ten years, without ever making a real decision about it? And more importantly — did your body actually tell you to stop, or did you assume you needed to?
Most of the narrowing in your life right now is reversible. I have watched it happen in thousands of patients. It is not a miracle. It is just the body doing what the body does when you start asking it to do something again. The door you thought had closed is usually still open.
I am not a one-off. I am a sixty-two-year-old who decided not to let my life narrow, and who did the specific work to back the decision up, for long enough that the work is now visible from the outside. You can do this too. At any age I am likely to be talking to. Start where you are.
