Table 1.
Results of normalized data and statistical analysis (n = 12)
| Parameters (°) | Absolute mean (SD) | p value | Normalized mean (SD) | p value | ||
|---|---|---|---|---|---|---|
| Before twist | After twist | Effect of twisting | Before twist | After twist | Effect of twisting | |
| Flexion angle | 62.0 (9.3) | 64 (10.5) | 0.632 | 100.0 (.0) | 100.0 (0.0) | – |
| EMG-Off flexion | 41.5 (9.4) | 53.1 (7.2) | 0.003** | 67.5 (15.5) | 83.4 (7.1) | 0.004** |
| EMG-On flexion | 50.4 (6.0) | 56.4 (8.8) | 0.065 | 81.9 (8.3) | 88.5 (9.0) | 0.074 |
| Inclination angle | 92.8 (11.9) | 91.5 (11.8) | 0.797 | 100.0 (0.0) | 100.0 (0.0) | – |
| EMG-Off inclination | 59.1 (10.0) | 68.5 (10.2) | 0.035* | 64.8 (13.9) | 75.3 (9.9) | 0.044* |
| EMG-On inclination | 66.7 (9.5) | 77.0 (12.9) | 0.036* | 72.5 (10.0) | 84.2 (9.5) | 0.007** |
| Rotational angle (n = 16) | 0.0 (0.0) | 10.5 (4.2) | <0.001** | – | – | – |
| VAS (mm) (n = 16) | 3.3(5.0) | 48.4 (28.2) | <0.001** | |||
* p < 0.05, ** p < 0.01; VAS visual analog scale