Table 2.
Trunk position effects for the control group and both LBP subgroups. Values are given as means (SD)
| Parameter | 15° flexion | 30° flexion | 60° flexion | 15° extension |
|---|---|---|---|---|
| Movement time (s)* | 1.35 (0.05) | 1.62 (0.06) | 1.88 (0.05) | 1.44 (0.05) |
| Temporal symmetry ratio* | 0.75 (0.10) | 0.62 (0.09) | 0.46 (0.04) | 0.70 (0.09) |
| Absolute error in peak angular position (°)* | 2.13 (0.23) | 2.82 (0.27) | 5.20 (0.62) | 1.74 (0.23) |
| Peak angular position variability (°)* | 1.73 (0.16) | 1.87 (0.13) | 2.12 (0.15) | 1.29 (0.13) |
*Significant position effect