Table 2. Correlation coefficient (rho-Spearman) calculated for pressure pain thresholds (PPT, kPa) and low back pain (LBP, 0–10 scale) intensity for trunk flexion and trunk rotation cut-off angles.
| PPT (kPa) | LBP intensity (0–10) | ||||
|---|---|---|---|---|---|
| Angles | r | p-value | r | p-value | |
| Trunk forward bending | <30° | 0.1464 | 0.6024 | -0.2717 | 0.3273 |
| >30° | -0.1464 | 0.6024 | 0.2717 | 0.3273 | |
| >60° | -0.1571 | 0.5756 | 0.2824 | 0.3078 | |
| >90° | 0.1784 | 0.5247 | -0.0821 | 0.7713 | |
| Trunk rotation | <10° | -0.1286 | 0.6482 | -0.1376 | 0.6248 |
| >10° | 0.1286 | 0.6482 | 0.1376 | 0.6248 | |
| >30° | 0.1321 | 0.6389 | 0.1180 | 0.6754 | |