Reference group Corresponding side | ACL group injured side at baseline | ACL group injured side at 12 w follow-up | P-value | |
---|---|---|---|---|
GAIT | ||||
VGRF (BW) a | 1.09 ± 0.1 | 1.12 ± 0.1 | 1.12 ± 0.1 | 0.448 |
Peak knee flexion at loading response (degrees) | 17 ± 3 | 18 ± 4 | 18 ± 3 | 0.097 |
Knee extensor moment (Nm/kg), (internal moment) | 0.42 ± 0.1 | 0.44 ± 0.2 | 0.49 ± 0.2 | 0.197 |
STEP ACTIVITY | ||||
VGRF (BW) b | 1.59 ± 0.2 | 1.66 ± 0.1 | 1.58 ± 0.2 | 0.119 |
Peak knee flexion of supporting limb (degrees) | 52 ± 6 | 48 ± 9 | 50 ± 9 | 0.130 |
Knee extensor moment (Nm/kg), (internal moment) | 0.56 ± 0.2 | 0.44 ± 0.3 | 0.54 ± 0.2 | 0.084 |
CROSS-OVER HOP | ||||
VGRF (BW) b | 1.88 ± 0.1 | 1.86 ± 0.2 | 1.85 ± 0.2 | 0.337 |
Peak knee flexion during landing (degrees) | 49 ± 7 | 44 ± 6 | 48 ± 5 | 0.015 |
Knee extensor moment (Nm/kg), (internal moment) | 1.49 ± 0.4 | 1.28 ± 0.5 | 1.55 ± 0.6 | 0.008 |