Also bad running shoes and overpronation. Sometimes it is cause by twisting the knee or from brunt trauma to the plica. You can feel pain from sitting for long periods of time. The pain runs from the front of the joint line. Running irritates it badly.
Ice tends to help calm the pain.
The pain feels like you rubbed you knees on a carpet and have carpet burns. If you run your fingers down the front of your shin and right below the knee, you might feel a little lump that is swelled up on the shin. Also some of the pain can be transferred to the shin area by the knee. If you are a police officer, you are at risk for this. First follow the knee program below.