Should You Stop Running If You Have Knee Problems?

Misconception: “You Should Never Run Again If You Have Knee Problems”

Why running may not be the villain—and how it can actually support long-term knee health.

If you’ve ever been told to “give up running” because of knee pain or a history of injury, you’re not alone.

It’s one of the most common fears we hear at RHP. Someone starts running, notices some discomfort, and suddenly the message is: “You’re damaging your knees. Better stop now.”

But here’s the thing—there’s no strong evidence that running causes long-term damage to healthy knees. In fact, regular running may be protective for your joints, especially when managed with the right guidance.

What the Research Actually Shows

Let’s clear up the myth:

• Running, in most cases, does not cause osteoarthritis or wear out your knees.
• Several large studies have shown that recreational runners have lower rates of knee osteoarthritis than sedentary individuals.
• Regular running can actually improve cartilage quality and thickness, supporting long-term joint health.

That’s right—runners, on average, often have healthier knees than those who don’t run at all.

Mechanical Load Isn’t the Enemy

There’s a misconception that knees are like tyres—they wear down the more you use them. But the human body doesn’t work that way.

Your cartilage is living, adaptable tissue, just like muscle or bone. It actually needs mechanical load (like walking, squatting, and yes—even running) to stay strong and responsive.

Avoiding all impact might feel protective, but over time, it can lead to deconditioning of the joint—making pain or stiffness worse, not better.

When Context Matters for Knee Health

Of course, we’re not saying everyone should lace up their shoes and hit the pavement without thought.

The Takeaway: Movement Builds Resilience

At our RHP, we work with runners every week—whether they’re managing osteoarthritis, rehabbing an injury, or returning to sport after time off. And we’ve seen time and again that the goal should not be to “protect” your knees by avoiding movement.

The real goal? Help your knees get stronger, more resilient, and capable of doing what you love.

If you’ve been told to stop running—or if you’re scared to start again—get in touch. With the right plan, you don’t have to choose between your knees and your lifestyle.

Author in the know

Sam Donaldson

Director, APA titled Sports and Exercise Physiotherapist. Sam loves to treat athletes with lower limb injuries and has a special interest in knees of all ages; adolescent knee pain, athlete with knee pain, ACL injuries, ACL rehabilitation, Knee Osteoarthritis and Knee Replacement recovery. He is a Dad, Football enthusiast and loves to move. BAppSci (HMS), MPhtyStudies, MPHTY (Sports)