Patellofemoral pain (runners knee) is an insidious injury that kind of creeps up on you. It affects both athletes and non athletes alike. It typically presents as pain in or under the knee cap. This makes it very frustrating as you can’t quiet put your finger on it. The cause of patellofemoral pain (PFP) is likely multi factorial, with different factors contributing to varying degrees in each individuals pain. Uncovering which factors contribute to the pain presentation is challenging.