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Observer repeatability for three measurement methods (mean RMS).
| Intraobserver errors | Interobserver errors | |||||
|---|---|---|---|---|---|---|
| Study | QF | MVBA | Ruler | QF | MVBA | Ruler |
| Rotation (degrees) | 0.77 | 2.66 | 4.22 | 1.26 | 3.14 | 4.50 |
| Translation (% body depth) | 1.19 | 3.83 | 5.83 | 1.92 | 4.35 | 6.61 |
