Patellar Chondromalacia – What a Pain In The Knee

Patellar Chondromalacia, commonly referred to as Runner’s Knee, is a condition where the cartilage under your kneecap begins to deteriorate and soften. This is a common problem among younger, athletic individuals but adults with knee arthritis are at risk as well. Generally speaking, patellar chondromalacia results from overuse in sports. For some, taking a few days off can give the knee the recovery time it needs. For others, improper knee alignment is at the root of the problem and rest just isn’t enough to recover properly. As serious as it can be, most people affected by it don’t seek medical care, which makes it worse in the long run.

Causes of Patellar Chondromalacia

Your kneecap normally sits over the front of the knee joint. As you bend your knee, the back of the kneecap glides over the cartilage of your thigh bone or femur. The tendons and ligaments keep your knee bone attached. However, should any of these fail to work properly, the kneecap ends up rubbing against the thigh bone which deteriorates the patella and results in pain. Here are some common reasons why it might be happening to you:

  • poor alignment
  • weak hamstrings or quads
  • blows or trauma to the kneecap
  • repeated stress to the knee joints from activities like running or skiing
  • muscular imbalance between the abductors and adductors



Symptoms of Patellar Chondromalacia

Common symptoms of this condition include a grinding sensation in the knee and knee pain in the inner portion of the knee cap. The grinding or cracking generally happens when you bend or extend your knee. The pain might worsen after sitting for a long period of time or during activities where a great deal of pressure is applied to your knees.

Patellar Chondromalacia Diagnosis & Treatment




If you are experiencing any of the symptoms above, visit your doctor to get a proper diagnosis. They will start by examining the affected knee and will most likely perform some different movement exercises to determine what is causing the issue. If they aren’t sure, they may request that you go for an x-ray, MRI or even an arthroscopic exam as an attempt to get more information.
Once they have enough information and have determined that it’s patellar chondromalacia, they will diagnose the condition on a grade of 1 to 4:

  • Grade 1 means there is indication of softening in the knee cartilage;
  • Grade 2 indicates the start of tissue erosion;
  • Grade 3 shows thinning of cartilage;
  • Grade 4 indicates exposure of the bone with most of the cartilage deteriorated. (In these most severe of cases, bone is rubbing against bone, like when brake pads in a car wear down, and surgery might be recommended.)



A large percentage of cases are generally grade 1 or 2. For these, the first thing that doctors recommend is to get some rest and to stop or (reduce) the amount of physical activities you do, to see if the situation improves itself.
A 2nd recommendation that you will most likely get is to ice the affected area. This is not a permanent solution, however icing or other cold therapy devices can provide much needed temporary relief. A popular option includes:

Knee braces are also a great way to give extra support to the knee when it does not naturally occur. In cases of runner’s knee, braces worn during activities and during recovery can give extra support by keeping the knee aligned properly and reducing any unnecessary grinding away of the patella. For additional information on knee braces that help with Patellar Chondromalacia, visit



Patellar chondromalacia (or Runner’s Knee) is not the end of the world, as long as you get it diagnosed and treated sooner rather than later. If any of the symptoms or information above resonates with you, then visit your doctor and get your knee pain diagnosed as soon as possible. Also check out our Blog for additional information on knee pain.


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