Table 2.
Pearson correlation coefficients of the measurements between the sensing modules and motion analysis system, peak value and RMS angular velocity of the trunk movements (mean ± standard deviation)
| Trunk movements | Sagittal-dominated | Coronal-dominated | ||
|---|---|---|---|---|
| Flexion (FE) | Stand-sit-stand (STSI) | Left bending (RB) | Right bending (RB) | |
| Correlation coefficient | ||||
| Thoracic region | 0.983 ± 0.014 | 0.776 ± 0.168 | 0.941 ± 0.078 | 0.829 ± 0.308 |
| Lumbar region | 0.981 ± 0.014 | 0.966 ± 0.036 | 0.985 ± 0.009 | 0.984 ± 0.015 |
| Peak value (°) | ||||
| Thoracic region | 22.8 ± 11.1 | 16.3 ± 6.0 | 3.8 ± 1.5 | 3.8 ± 1.2 |
| Lumbar region | 24.7 ± 7.0 | 26.8 ± 6.2 | 6.1 ± 1.3 | 6.2 ± 2.2 |
| RMS angular velocity (deg s−1) | ||||
| Sagittal plane | 6.3 ± 3.0 | 6.6 ± 1.9 | 1.5 ± 0.4 | 1.4 ± 0.5 |
| Coronal plane | 1.0 ± 0.4 | 2.4 ± 1.0 | 4.4 ± 1.1 | 4.5 ± 1.3 |