Table 2.
Vertical (v), anterio-posterior (a-p) GRF, and muscle torque of hip flexor and extensor variables and symmetry indexes between sides. Statistically significant differences between the sides are marked with an asterisk.
| Amputated leg | Intact leg | Symmetry index (%) | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | |
| GRF (%BW) | |||
| vF1 | 101.9 ± 5.1∗ | 109.6 ± 8.6 | 7.5 ± 5.4 |
| vF2 | 85.6 ± 5.8∗ | 79.8 ± 8.0 | 7.8 ± 6.9 |
| vF3 | 95.4 ± 3.1∗ | 107.7 ± 8.8 | 11.5 ± 10.0 |
| a-pF1 | 8.5 ± 4.7∗ | 20.5 ± 7.5 | 9.3 ± 4.5 |
| a-pF2 | 10.4 ± 4.1 | 13.0 ± 6.3 | 6.2 ± 6.3 |
| Muscle torque (Nm/kg) | |||
| Flexors | |||
| Isometric | 1.00 ± 0.15∗ | 1.28 ± 0.21 | 24.3 ± 07.3 |
| Isokinetic 60°/s | 0.93 ± 0.15∗ | 1.37 ± 0.21 | 38.8 ± 15.5 |
| Isokinetic 120°/s | 0.77 ± 0.15∗ | 1.14 ± 0.15 | 43.9 ± 13.9 |
| Extensors | |||
| Isometric | 1.32 ± 1.44∗ | 1.77 ± 0.65 | 50.5 ± 19.0 |
| Isokinetic 60°/s | 1.11 ± 0.97∗ | 1.58 ± 0.24 | 39.2 ± 18.4 |
| Isokinetic 120°/s | 0.90 ± 0.78∗ | 1.14 ± 0.24 | 44.8 ± 19.0 |
| F/E ratio | |||
| Isometric | 1.05 ± 0.34 | 0.86 ± 0.26 | 50.0 ± 16.2 |
| Isokinetic 60°/s | 0.93 ± 0.12 | 0.90 ± 0.11 | 28.6 ± 08.6 |
| Isokinetic 120°/s | 0.98 ± 0.19 | 1.10 ± 0.19 | 37.5 ± 11.1 |
∗Significant at p < 0.05.