This pain may be caused by soft cartilage under the kneecap (patella), referred pain from another area such as the back or hip, or soft tissues around the front of the knee. Among soccer players ...

The main thing is pain. You might notice it: Usually in front of your kneecap, though it could be around or behind it When you bend your knee to walk, squat, kneel, run, or even get up from a ...