In contrast, those patients who had not improved had reduced the volume of physical activity. Patellofemoral pain syndrome (PFPS) is a common problem, especially among physically active adolescents ...

2 Research Unit for General Practice in Aalborg and Department of Clinical Medicine, Aalborg, Denmark Background Patellofemoral pain (PFP) is a multifactorial and often persistent knee condition. One ...

On one hand, you hear people say that running can be bad for your knees over time. On the other hand, you hear that running ...