Table 2.
Demographic and predictor variable information for symmetrical and asymmetrical knee extension moment groups (mean ± SD)
| Group | Age, y | Height, cm | Mass, kg | Time From ACL Recons-truction to Testing, d | Sex | Concomitant Surgery | Graft Type | Surgical Limb Is Dominant Limb a | ACL Limb Single-Leg Hop Distance | KEM Symmetry | Quadriceps Strength Symmetry | CAR Symmetry | IKDC Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Symmetrical KEM (N = 11) |
16.8 ± 2.4 | 171.9 ± 7.9 | 71.0 ± 16.1 | 285.3 ± 57.4 | Male = 4; female = 6 | 3 LM repair 3 LM debride |
3 Ham 2 Quad 5 BPTB |
5 = yes; 6 = no | 135.9 ± 27.9 | 99.0 ± 6.4 | 84.2 ± 12.8 | 95.9 ± 7.4 | 89.3 ± 8.6 |
| Asymmetrical KEM (N = 20) |
17.4 ± 2.5 | 172.1 ± 11.4 | 76.4 ± 17.9 | 292.6 ± 47.6 | Male = 9; female = 12 | 4 LM repair 3 MM repair 3 part LMEX |
2 Ham 19 BPTB |
7 = yes; 10 = no 3 = unknown |
140.2 ± 30.5 | 74.1 ± 8.9 | 72.3 ± 16.3 | 97.7 ± 6.9 | 85.7 ± 8.4 |
BPTB, bone-patellar tendon-bone; CAR, central activation ratio; Ham = hamstring; IKDC, International Knee Documentation Committee; KEM, knee extension moment; LM, lateral meniscus; LMEX, lateral meniscectomy; MM, medial meniscus; Quad = quadriceps.
a
Dominant limb defined as what leg would be used to kick a ball.