Your Dog Doesn’t Know Your Knee Hurts and That’s Becoming a Problem
The dog still needs to be walked but your knee is making every outing harder. Here’s what’s actually happening and why this tells you something important.
By: Dr. Shari L Miller, PT, DPT, OCS
The dog doesn’t care that your knee hurts.
The dog wants to go. Now. Outside. The same route, the same pace, the same enthusiasm as yesterday when your knee felt fine and today when it absolutely does not.
And you go. Because the dog has to go. But somewhere along the way, the walk stopped being the easy, enjoyable part of your day and started being something you brace for.
Real talk: one of the more common things clients tell me, and I mean this, is that they dread the dog walk. Which sounds absurd when you say it out loud, because it’s walking the dog, not climbing Everest. But when your knee is unreliable, even simple things stop being simple.
Why the dog walk is a sneaky stress test
You might not think of walking your dog as physically demanding. But for a knee that’s already struggling, it’s a surprisingly complex challenge.
Unpredictable forces. A dog on a leash is an unpredictable weight. Hello...Squirrel?!! You know, when they get super excited seeing a squirrel and just must get to it. When all of a sudden they lunge to smell something that caught their attention. Your knee has to absorb and redirect those forces unexpectedly.
That requires stability, specifically, the ability of the muscles around the knee to react quickly to an unexpected load. This is the same kind of reactive stability that gets tested on cobblestone streets and uneven hiking trails.
Uneven Ground. Sidewalks, grass, curbs, slopes, wet pavement. Every surface change requires a different response from your knee and the muscles that support it.
Duration without rest. A dog walk doesn’t have built-in rest breaks. You’re committed to a round trip, and your knee has to be ready for the entire thing.
If you hate the uneven ground or bit of hills then you might notice your knee is worse on grass vs. pavement or going off-curb vs. staying flat...that’s often an ankle mobility issue masquerading as a knee problem. I go deep on this in my ankle mobility article. The connection between a stiff ankle and an angry knee is one of the most overlooked things in this whole conversation.
Ankle Mobility for Better Squats
The fear you don’t talk about
There’s a fear that lives quietly in a lot of my clients who walk dogs: what happens if my knee gives and the dog pulls me down?
It’s a real concern. If your knee is unstable or if it feels like it might buckle when you step off a curb or shift direction suddenly then a 60-pound dog lunging after a rabbit is a genuinely risky situation.
So you tighten your grip. You shorten the leash. You stick to the calmest routes. You avoid the park. These aren’t neurotic choices. They’re rational adaptations to a knee that isn’t giving you the confidence you need.
The instability you’re feeling usually isn’t structural. It’s muscular. Specifically, the quads and hip stabilizers which are the muscles responsible for keeping your knee aligned and controlled through movement. When they’re weak or slow to activate, the knee feels loose and unreliable. I cover this whole cause in my hip weakness article.
The dog walk as a progress marker
Here’s what I love about the dog walk as a real-life metric: it happens every day, it’s consistent enough to track, and it asks your knee to do real-world things.
Start paying attention. How does your knee feel in the first five minutes versus the last five? Are you shortening the route? Are you avoiding certain paths? Does your knee feel worse on the way back than the way out?
These are the same kind of data points I look at in the Knee Function Self-Test — real-world movement capacity, not just “does it hurt.” If you want to track this more formally, the self-test gives you a score you can retest every few weeks to see if things are actually improving.
As you start building the right kind of strength, these are the things that change first. The route gets a little longer. The terrain gets a little more varied. The grip on the leash gets a little looser. And one day, the dog lunges at a squirrel and your knee holds and you don’t even think about it.
If the daily dog walk has become a daily negotiation with your knee, you’re not alone. In 3 Steps Forward, I share the kind of specific, practical guidance that helps you start trusting that knee again — one walk at a time.