Table 2.
Intramachine reproducibility values for concentric and eccentric knee tests
| ICC (95% CI) |
SEM (Nm) |
SEM% | SDC (Nm) |
|
|---|---|---|---|---|
| KE concentric 60°/s | ||||
| Right | 0.840 (0.728–0.907) | 38.6 | 23.1 | 107.0 |
| Left | 0.762 (0.560–0.868) | 30.7 | 19.8 | 85.1 |
| KF concentric 60°/s | ||||
| Right | 0.744 (0.596–0.843) | 19.3 | 18.7 | 53.5 |
| Left | 0.804 (0.685–0.882) | 17.3 | 17.0 | 48.0 |
| KE concentric 180°/s | ||||
| Right | 0.829 (0.723–0.897) | 19.7 | 18.3 | 54.6 |
| Left | 0.861 (0.772–0.917) | 17.7 | 17.1 | 49.1 |
| KF concentric 180°/s | ||||
| Right | 0.762 (0.617–0.856) | 15.7 | 22.1 | 43.5 |
| Left | 0.826 (0.713–0.896) | 13.5 | 19.4 | 37.4 |
| KE eccentric 60°/s | ||||
| Right | 0.849 (0.755–0.910) | 27.7 | 14.8 | 76.8 |
| Left | 0.787 (0.659–0.871) | 33.9 | 19.3 | 94.0 |
| KF eccentric 60°/s | ||||
| Right | 0.891 (0.817–0.936) | 17.5 | 13.0 | 48.5 |
| Left | 0.840 (0.594–0.925) | 20.9 | 16.0 | 57.9 |
ICC intraclass correlation coefficient, CI confidence interval, SEM standard error of measurement, SDC smallest detectable change, KE knee extensors, KF knee flexors