Beyond PT Blog

Effects of running on knee health

Written by Malik Ali | Jun 23, 2024 6:54:59 PM

Hey there, fellow runners and aspiring marathoners! Have you ever heard the myth that running is bad for your knees? It's time to lace up those sneakers and dive into the truth. Spoiler alert: running might actually be the best thing you can do for your knees. Let's explore why, with some fun facts and science-backed studies!

Myth-Busting Time: Running and Your Knees

First, let’s tackle the big myth: "Running ruins your knees." This idea has been around for ages, but recent studies are here to set the record straight.

Study #1: Running Protects Your Knees

A study published in the American Journal of Preventive Medicine followed runners over time and found that running does not increase the risk of knee osteoarthritis. In fact, it can actually condition the cartilage in your knees to handle stress better. Think of it as giving your knees a workout, making them stronger and more resilient​ (livescience.com)​.

Study #2: Reducing Inflammation

In 2016, a study from the European Journal of Applied Physiology discovered that running positively affects the interior environment of the knee. It helps reduce inflammation, which is a common marker of arthritis. So, rather than causing harm, running could be giving your knees some much-needed TLC​ (livescience.com)​.

Study #3: Lower Osteoarthritis Risk

A meta-analysis reviewed numerous studies and concluded that recreational running is linked to a lower risk of knee osteoarthritis compared to being a couch potato. This comprehensive review provides solid evidence that running doesn’t just spare your knees—it might even protect them​ (University Hospitals)​​ (livescience.com)​.

Study #4: Long-Term Knee Health

Researchers from the Osteoarthritis Initiative conducted a long-term study tracking individuals over several years. They found that regular runners didn’t have an increased risk of developing knee osteoarthritis. In fact, runners had healthier knees than those who didn’t run​ (Northwestern Medicine)​.

Study #5: Strengthening Knee Joints

The Exercise and Sport Sciences Reviews published research highlighting that running strengthens your joints. It enhances the resilience and strength of knee cartilage, which is crucial for preventing osteoarthritis and maintaining joint health​(livescience.com)​.

Why Running is Good for Your Knees

Running isn’t just about dodging knee problems; it’s about making your knees stronger and more capable. Here’s how running helps:

  1. Strengthens Cartilage: Your knee cartilage gets stronger with regular running, much like your muscles do. This makes your knees more robust and less prone to injury.

  2. Improves Lubrication: Running helps maintain the synovial fluid in your knees, which lubricates the joints and keeps them moving smoothly.

  3. Reduces Inflammation: As noted in the studies, running can decrease inflammation markers in your knees, helping to ward off arthritis.

  4. Enhances Tendon Strength: Running strengthens the tendons around your knees, making them more resilient and able to handle the stresses of daily activities and other exercises.

Tips for Knee-Friendly Running

To maximize the benefits and minimize any risks, follow these tips:

  • Start Slowly: If you’re new to running, don’t jump into long distances right away. Gradually increase your mileage to give your knees time to adapt.
  • Strength Training: Incorporate exercises that strengthen the muscles around your knees, such as squats and lunges. Strong muscles support your joints better.
  • Proper Footwear: Invest in good running shoes that provide adequate support and cushioning. Replace them regularly to avoid wear and tear.
  • Mix It Up: Don’t just run. Include other forms of exercise like cycling or swimming to keep your workout routine balanced and avoid overuse injuries.

Conclusion: Run Happy, Run Healthy

Running is not the knee-destroyer it’s made out to be. With the right approach and some strength training, you can enjoy running while keeping your knees in great shape. So, the next time someone warns you about the dangers of running, you can share these fun facts and studies to set the record straight.

Now, get out there and enjoy your run—your knees will thank you!