Patellofemoral pain or anterior knee pain is common in runners. It is caused by increased force (loading) at the joint between your kneecap (patella) and thigh bone (femur). Usually this is due to a poor running technique and weakness in key muscles.
Dr Creaney is an expert in the diagnosis and management of this condition. For an in depth review of the subject, you can download his recent lecture here:-
For advice and exercise download the following information sheet:-