Patellar tendonitis? Quad Tendonitis? Comment “Knee” and we will send you a fr33 knee pain relief series with stretches, massages, and strengthening exercises for your knee. If you are like most people who experience some sort of lasting pain, you have probably done your fair share of massaging and stretching by now, so it is time to move to some strengthening exercises. Do any of these exercises isometrically at first (holding a position without moving). Isometrics are the best way to work with