Table 2 Maximum strength is displayed as the knee extension and flexion torque normalized to body mass [Nm/kg] (Mean ± SD), Limb Symmetry Index and the H/Q ratio [%] pre- and post- surgical reconstruction of the ACL
|  | Limb | Pre-operative (M ± SD) | 6 months post-operative (M ± SD) | Change pre to post (%) | rmANOVA (p, F) |
|---|---|---|---|---|---|
Knee extension torque [Nm/kg] (M ± SD) | affected | 1.3 ± 0.5 | 1.6 ± 0.5 | +  18 ± 7 | P < 0.05, F = 8.3 |
unaffected | 1.7 ± 0.5 | 1.9 ± 0.4 | +  11 ± 5 | P < 0.05, F = 4.7 | |
Limb Symmetry Index |  | 79 ± 23 | 84 ± 16 | +  6 ± 4 | P < 0.05, F = 3.0 |
Knee flexion torque [Nm/kg] (M ± SD) | affected | 1.0 ± 0.3 | 1.1 ± 0.3 | +  9 ± 5 | P < 0.05, F = 3.0 |
unaffected | 1.2 ± 0.31 | 1.3 ± 0.3 | + 10 ± 6 | P < 0.05, F = 5.2 | |
Limb symmetry index |  | 82 ± 19 | 84 ± 13 | + 2 ± 4 | P = 0.36, F = 0.6 |
H/Q-ratio (%) | affected | 81 ± 31 | 79 ± 20 | − 2 ± 5 | P = 0.93, F = 0.2 |
unaffected | 74 ± 13 | 71 ± 13 | − 4 ± 4 | P = 0.27, F = 0.9 |