Keywords: patellofemoral, knee, pain (PubMed Search)
Bottom Line: In a recent meta-analysis the risk factors for patellofemoral syndrome are weak hip abduction strength, quadricep weakness in military recruits, and increased hip strength in adolescence.
PatelloFemoral Syndrome: Patellofemoral pain is not clearly understood and is believed to be multi-factorial. Numerous factors have been proposed including muscle weakness, damage to cartilage, patella maltracking, as well as others. Patient often complain of anterior knee that is aggravated by walking up and down stairs or squatting. Patellofemoral pain is extremely common. In the general population the annual prevalence for patellofemoral pain is approximately 22.7%, and in adolescents it is 28.9%.
Though commonly taught, the following have no evidence to support that they are a risk factor for patellofemoral syndrome: Age, Height, Weight, BMI, Body Fat or Q Angle of patella