Table 5. Eccentric extension and flexion of the knee in isokinetic, intra-class correlation coefficient, standard error of measurement and smallest real difference of strength measurements.
| Knee action evaluated | Speed (°/s) | Mean /(SD) 1° test | Mean /(SD) 2° test | ICC (95%CI) | SEM (Nm) | SEM (%) | SRD (Nm) | SRD (%) |
|---|---|---|---|---|---|---|---|---|
| ECCENTRIC | ||||||||
| EXTENSION | ||||||||
| Fagher et al. (2016)[4] | 60 | 64.3 (23.0) | 63.3 (17.8) | 0.70 (0.40–0.86) | 11.5 | 18 | 31.8 | 49.7 |
| Kellis et al. (1999)[11] | 60 | DL 130.5 (15.6) | DL 135.7 (22.7) | 0.92 | - | - | - | - |
| 120 | DL 129.5 (23.8) | DL 125.5 (23.8) | 0.88 | |||||
| 180 | DL 115.5 (16.1) | DL 121.9 (20.7) | 0.80 | |||||
| 60 | NDL 127.3 (17.0) | NDL 136.1 (26.5) | 0.82 | |||||
| 120 | NDL 131.1 (24.1) | NDL118.2 (16.9) | 0.76 | |||||
| 180 | NDL 112.8 (14.7) | NDL 121.3 (21.2) | 0.81 | |||||
| Iga et al. (2006)[5] | 2.16 rad /s | DL 182 (53) NDL 180 (47) | DL 194 (51) NDL 189 (51) | - | - | - | - | - |
| FLEXION | ||||||||
| Fagher et al. (2016)[4] | 60 | 49.2 (19.6) | 42.2 (12.0) | 0.60 (0.22–0.81) | 9.8 | 21.5 | 27.3 | 59.6 |
| Kellis et al. (1999)[11] | 60 | DL 82.8 (10.5) | DL 80.6 (12.6) | 0.85 | - | - | - | - |
| 120 | DL 82.4 (12.8) | DL 78.4 (11.0) | 0.71 | - | - | - | - | |
| 180 | DL 78.8 (11.2) | DL 81.0 (12.5) | 0.76 | - | - | - | - | |
| 60 | NDL 75.8 (10.4) | NDL 80.9 (16.7) | 0.79 | - | - | - | - | |
| 120 | NDL 80.9 (16.7) | NDL 75.9 (11.2) | 0.79 | - | - | - | - | |
| 180 | NDL 76.0 (8.9) | NDL 79.3 (14.6) | 0.86 | - | - | - | - | |
| Iga et al. (2006)[5] | 2.16 rad /s | DL 105 (28) NDL 98 (24) | DL 110 (29) NDL 102 (28) | - | - | - | - | - |
ICC = intraclass correlation coefficient (95% Confidence Interval); SEM = standard error of measurement; SRD = smallest real difference; DL = dominant leg; NDL = non dominant leg.