Adjei, MD Patellofemoral stress syndrome (PFSS), also known as "runner's knee" or "jumper's knee," is a type of overuse ...
Studies were excluded if they included pain from structures other than the patellofemoral joint ... difference of at least 3° in the hip extension angle of the femoral slump test, which had an LR+ 5.1 ...
KOOS-PF items loaded predominantly on one factor, pain during activities that load the patellofemoral joint. KOOS-PF had good internal consistency (Cronbach’s α 0.86) and adequate test–retest ...