The patellofemoral pain syndrome (PFPS) is a
possible cause for anterior knee pain, which predominantly
affects young female patients without any structural
changes such as increased Q-angle or significant chondral
damage. This literature review has shown that PFPS
development is probably multifactorial with various functional
disorders of the lower extremity. Biomechanical
studies described patellar maltracking and dynamic valgus
in PFPS patients (functional malalignment). Causes for the
dynamic valgus may be decreased strength of the hip
abductors or abnormal rear-foot eversion with pes pronatus
valgus. PFPS is further associated with vastus medialis/
vastus lateralis dysbalance, hamstring tightness or iliotibial
tract tightness. T