Figure 1From: Rearfoot and knee coupling over a prolonged run in runners with patellofemoral pain syndromeCoupling angle group means during the 2 loading periods of stance at the beginning and end of the run. * = Significant main effect for group in a period. ** = Significant main effect for time in a period. Horizontal dashed line at 45° indicates point of equal amounts of EV and knee excursion.Back to article page