| Lateral PFP (N) | Medial PFP (N) | ||||
---|---|---|---|---|---|---|
 | RPK phase | Post-LRR phase | p value | RPK phase | Post-LRR phase | p value |
Knee flexion angle | ||||||
 0° | 2.5 ± 2.1 | 2.2 ± 2.1 | n.s. | 3.2 ± 4.0 | 1.9 ± 2.0 | n.s. |
 90° | 48.6 ± 23.0 | 33.3 ± 16.9 |  < 0.001 | 5.3 ± 6.2 | 4.0 ± 4.2 | n.s. |
 120° | 66.2 ± 19.1 | 46.1 ± 21.2 |  < 0.001 | 7.6 ± 10.4 | 6.6 ± 6.1 | n.s. |
 135° | 76.3 ± 22.5 | 59.9 ± 25.3 |  < 0.001 | 10.2 ± 14.9 | 9.9 ± 9.2 | n.s. |