Fig. 2.

Frontal plane knee motion by duration of rehabilitation. Positive frontal plane knee motion values indicate that from initial contact to the end of the deceleration phase of the DVJ landing the knees move medially into a valgus position. There was no limb × duration of rehabilitation interaction effect (n.s.), or main effect of limb (n.s.); however, there was a significant main effect for duration of rehabilitation (P = 0.01). P values on the graph represent the significant differences between durations of rehabilitation found during planned comparisons