I have patella chondromalacia, grade III(right knee). Mine is from a fall at work - May 2006, my OS said it is like a 'dashboard injury' and can take up to 2 years for the pain to go away. My real job is standing 99.9% of the time, I've been on 'seated work restrictions' since the injury. I just had a scope done in January now in PT(my 3rd time since 5/06). I'm still not working. I see my OS on 4/30. My OS is talking about a possible Faulkerson's Procedure or Patella Femoral Joint Replacement. Anyone been through either or these procedures????? My pain is anterior - behind the patella and medial pain. The pain is definitely getting old. I just bought a new bike - to try to get in shape. I have the seat up. Biking is suppose to be good - building up the quads too. I'm not suppose to do any kneeling, no squats. I can relate.