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Runner’s Knee Causes & Symptoms Explained

July 27, 2025

If you're experiencing pain at the front of your knee, especially during activities like running, squatting, or climbing stairs, you might be dealing with runner's knee - medically known as patellofemoral pain syndrome (PFPS). This common condition affects athletes and active individuals but can also occur in anyone with certain biomechanical imbalances or overuse injuries.

What Is Runner's Knee (Patellofemoral Pain Syndrome)?

Runner's knee refers to pain originating around or behind the kneecap (patella) caused by improper tracking of the patella within the femoral groove. This misalignment can irritate the cartilage underneath the kneecap, leading to inflammation, discomfort, and reduced knee function.

Common Causes of Runner's Knee

Several factors can contribute to developing PFPS, including:

  • Overuse: Repetitive knee bending motions such as running, jumping, or cycling can strain the patellofemoral joint.

  • Muscle Imbalances: Weakness in the quadriceps, hips, or glute muscles can alter patella tracking.

  • Biomechanical Issues: Flat feet, knock-knees, or high arches affect leg alignment and increase knee stress.

  • Poor Training Habits: Sudden increases in activity intensity or improper footwear can exacerbate symptoms.

Symptoms to Watch For

Typical signs of runner's knee include:

  • Dull, aching pain around or behind the kneecap

  • Pain worsened by activity like climbing stairs, squatting, or prolonged sitting

  • Sensation of grinding or clicking in the knee

  • Occasional feelings of instability or the knee "giving way"

When to See a Healthcare Professional

If pain persists for more than a few weeks, worsens with rest, or is accompanied by swelling or locking, it's important to consult a medical provider for a proper diagnosis and treatment plan.

How Knee Braces Help Manage Runner's Knee Symptoms

Knee braces designed for PFPS help by:

  • Supporting proper patella alignment and tracking

  • Reducing stress and pressure on the joint

  • Providing compression to reduce inflammation

  • Improving knee stability during activity

Using a targeted knee brace in combination with physical therapy and activity modification can accelerate recovery and prevent further injury.

Ready to take control of your knee pain? Explore our selection of knee braces for patellofemoral pain syndrome and runner's knee designed to provide effective support and comfort during your recovery journey.