Table 2.
Biomechanical variables of interest between group and limb
| Variable | ACLx1 | ACLx2 | P-values | |||||
|---|---|---|---|---|---|---|---|---|
| INV | UN | INV | UN | Model | Interaction | Group | Limb | |
| pKFA (°) | −17.4 ± 8.0 | −20.5 ± 5.1 | −23.3 ± 5.1 | −23.1 ± 6.9 | .294 | .513 | .089^ | .564 |
| pKAA (°) | −0.8 ± 2.3 | 0.0 ± 1.3 | 0.6 ± 3.4 | 1.0 ± 3.4 | .647 | .830 | .269 | .559 |
| pKEM (Nm/Kg*m) | 0.35 ± 0.21 | 0.42 ± 0.16 | 0.43 ± 0.10 | 0.54 ± 0.18 | .235 | .769 | .113 | .197 |
| pKAM (Nm/Kg*m) | −0.23 ± 0.07 | −0.28 ± 0.08 | −0.29 ± 0.08 | −0.27 ± 0.10 | .604 | .268 | .502 | .720 |
| pEXT (BW) | 2.1 ± 1.0 | 2.4 ± 0.7 | 2.5 ± 0.5 | 3.0 ± 0.8 | .210 | .771 | .126 | .145 |
| FLEX @ pKEM (BW) | 1.1 ± 0.6 | 1.3 ± 0.4 | 1.0 ± 0.4 | 1.0 ± 0.2 | .452 | .694 | .142 | .612 |
| pFLEX (BW) | 1.8 ± 0.6 | 2.0 ± 0.7 | 1.1 ± 1.4 | 1.7 ± 0.5 | .036* | .445 | .021* | .080^ |
| pMCCF (BW) | 2.9 ± 0.7 | 3.1 ± 0.6 | 3.0 ± 0.5 | 2.9 ± 0.6 | .977 | .737 | .872 | .813 |
Abbreviations: INV=involved limb; UN=uninvolved limb; pKFA=peak knee flexion angle (negative value indicates flexion); pKAA=peak knee adduction angle (positive value indicates adduction); pKEM=peak internal knee extension moment; pKAM=peak internal knee adduction moment; pEXT=peak knee extensor muscle forces; FLEX @ pKEM=knee flexor muscle forces at pKEM; pFLEX=peak knee flexor muscle forces; pMCCF=peak medial compartment tibiofemoral contact force; BW=body weight (units)
*
p<0.05
^
p<0.10.