Influence of patellofemoral joint reaction force changes at small knee flexion angles on patellofemoral pain during single limb landing in active females.

BACKGROUND: Excessive patellofemoral joint (PFJ) loading is considered a primary stimulus for patellofemoral pain (PFP) development. However, little is known about how changes in PFJ loading influence PFP in active females, who are affected more freq…

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