Table 2. Anterior cruciate ligament return to sport injury scale, single-leg multidirectional tests, and quadriceps strength results.
| ACLR (n= 26) (mean ± SD) |
≥90% LSI, ACLR n (%) | Control (n =26) (mean ± SD) |
p value | |
|---|---|---|---|---|
| ACL-RSI Score | 66.6 ± 17.0 | 97.9 ± 4.2 | < 0.001 | |
| SLVJ | ||||
| LSI (%) | 88.5 ± 11.6 | 13 (50%) | 98.4 ± 9.0 | < 0.001 |
| Surgical/Dominant Limb (cm) | 28.0 ± 6.7 | 30.6 ± 5.8 | ||
| Non-surgical/Non-Dominant Limb (cm) | 31.6 ± 6.9 | 30.2 ± 6.6 | ||
| SLMRH | ||||
| LSI (%) | 93.6 ± 9.0 | 20 (77%) | 98.9 ± 6.4 | 0.016 |
| Surgical/Dominant Limb (cm) | 153.6 ± 29.9 | 165.2 ± 30.7 | ||
| Non-surgical/Non-Dominant Limb (cm) | 164.4 ± 32.0 | 163.1 ± 29.6 | ||
| SLLH | ||||
| LSI (%) | 92.7 ± 10.6 | 17 (65%) | 101.8 ± 7.0 | <0.001 |
| Surgical/Dominant Limb (cm) | 116.4 ± 26.4 | 122.2 ± 29.6 | ||
| Non-surgical/Non-Dominant Limb (cm) | 125.7 ± 26.1 | 123.7 ± 28.3 | ||
| Extension 60º/sec | ||||
| LSI (%) | 80.9 ± 26.5 | 11 (42%) | 98.5 ± 15.8 | 0.006 |
| Surgical/Dominant Limb (Nm/kg) | 1.8 ± 0.5 | 2.2 ± 0.5 | ||
| Non-surgical/Non-Dominant Limb (Nm/kg) | 2.3 ± 0.5 | 2.2 ± 0.7 | ||
| Extension 180º/sec | ||||
| LSI (%) | 82.5 ± 17.8 | 9 (35%) | 93.7 ± 2.0 | 0.035 |
| Surgical/Dominant Limb (Nm/kg) | 1.3 ± 0.4 | 1.4 ± 0.4 | ||
| Non-surgical/Non-Dominant Limb (Nm/kg) | 1.5 ± 0.4 | 1.3 ± 0.4 | ||
| Extension 300º/sec | ||||
| LSI (%) | 83.9 ± 28.3 | 8 (31%) | 102.6 ± 23.9 | 0.002 |
| Surgical/Dominant Limb (Nm/kg) | 0.9 ± 0.4 | 1.0 ± 0.4 | ||
| Non-surgical/Non-Dominant Limb (Nm/kg) | 1.1 ± 0.4 | 0.9 ± 0.3 |
Abbreviations: ACL-RSI, Anterior Cruciate Ligament-Return to Sport after Injury; ACLR, anterior cruciate ligament reconstruction; LSI, limb symmetry index; SLLH, single-leg lateral hop; SLMRH, single-leg medial rotation hop; SLVJ, single-leg vertical jump