Table 1.
Participant demographics (mean (SD))
| Pre-operative Quadriceps Function | Surgery Details | Time-to-Test (days) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Group | N | Gender | Age (yrs) | Height (m) | Mass (kg) | Strength (Nm/kg) | QAF (CAR) | Graft | Meniscus | ACL injury to pre-operative | 12-weeks post-surgery | Return to play |
| N&E | 8 | 3f/5m | 23.2(6.3) | 1.45(0.6) | 77.8(16.5) | 2.7(0.8) | 95.7(3.5) | PT=7 STG=1 |
ACL-only=7 Meniscal Repair=1 |
73.2(54.4) | 85.8(3.4) | 208.5(26.3) |
| N-only | 10 | 2f/8m | 21.8(4.4) | 1.76(0.1) | 81.65(22.6) | 2.6(0.6) | 97.4(3.0) | PT=10 STG=0 |
ACL-only=5 Meniscal Repair=4 Meniscectomy=1 |
51.5(12.5) | 85.1(2.8) | 215.9(30.2) |
| E-only | 8 | 3f/5m | 23.2(5.4) | 1.75(0.1) | 77.7(10.4) | 2.8(1.1) | 95.9(4.5) | PT=6 STG=2 |
ACL-only=6 Meniscal Repair=2 |
94.1(84.7) | 83.5(4.3) | 228.8(39.4) |
| STND | 10 | 5f/5m | 18.3(3.7) | 1.73(0.1) | 75.5(24.1) | 2.6(0.6) | 94.9(5.3) | PT=8 STG=2 |
ACL-only=5 Meniscal Repair=4 Meniscectomy=1 |
95.7(57.9) | 96.2(26.4) | 220.1(27.5) |
| Healthy | 10 | 3f/7m | 23.5(3.4) | 1.73(0.1) | 71.7(9.9) | - | - | - | - | - | - | - |
| Total | 46 | 17f/29m | 21.9(4.9) | 1.69(0.2) | 76.8(17.6) | 2.74(0.8) | 96.0(4.1) | PT=31 STG=5 |
ACL-only=23 Meniscal Repair=11 Meniscectomy=2 |
78.0(59.1) | 87.3(13.1) | 218.7(31.3) |
Abbreviations: CAR, central activation ratio; E-only, eccentric-only; f, female; m, male; N-only; NMES-only; N&E, NMES and eccentrics; PT, bone-patellar-tendon-bone graft; STG, semitendinosus/gracilis graft; STND, standard of care