Table 2.
Observational categories
| Variable | Observation | CLBL calculation | |
|---|---|---|---|
| Description | Category | Values | |
| Trunk flexion (sagittal plane) | Neutral | <30° | 0° |
| Mild flexion | 30°–60° | 45° | |
| Extreme flexion | 60°–90° | 75° | |
| Very extreme flexion | >90° | 90° | |
| Trunk rotation (transverse plane) | Neutral | <30° | 0° |
| Twisting | >30° | 30° | |
| Arm elevation (sagittal plane) | Neutral | <30° | 15° |
| Mild elevation | 30°–60° | 45° | |
| Extreme elevation | 60°–90° | 75° | |
| Very extreme elevation | >90° | 90° | |
The table shows a description and corresponding values for the observed variables. The last column shows body orientation values that were used for the calculation of CLBL
CLBL Cumulative low back load