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Quantitative comparisons for the combined 3D rotation trial including range of motion (ROM), RMS error, correlation (r), slope and y-intercept (b) of linear fit.
| 3D Rotation | ROM (°) | RMS Error (°) | r | Slope | b (°) |
|---|---|---|---|---|---|
| Flexion/Extension | 117 | 3.46 | 0.99 | 1.00 | 0.07 |
| Internal/External | 98.4 | 2.48 | 0.99 | 1.02 | 0.06 |
| Abduction/Adduction | 58.3 | 1.69 | 0.94 | 1.02 | 0.04 |
