Also called ‘patellofemoral pain syndrome‘ or ‘runners knee‘ is a common problem amongst athletes who do a lot of knee bending. Runner’s knee isn’t a condition itself, it is a term for several specific disorders with different causes. Runner’s knee can result from: Overused muscles, Overstretched tendons, Direct trauma to the knee, Misaligned bones, Problems with the feet which result from flat feet, also called fallen arches or overpronation. Help yourself – Foam Roll, Stretch, Sports Massage!!