Table 1.
Cervical range of motion on the natural test and the neutral test.
| Plane | Movement | Natural test (°) | Neutral test (°) | ||
|---|---|---|---|---|---|
| Mean ± SD | ICC (95% CI) | Mean ± SD | ICC (95% CI) | ||
| Sagittal | Total | 116.70 ± 17.26 | 0.98 (0.96–0.99) | 106.76 ± 20.33 | 0.99 (0.97–1.00) |
| Extension | 57.23 ± 8.80 | 0.97 (0.93–0.99) | 52.75 ± 9.25 | 0.95 (0.90–0.98) | |
| Flexion | 58.48 ± 11.83 | 0.98 (0.96–0.99) | 54.02 ± 13.46 | 0.98 (0.97–0.99) | |
|
| |||||
| Coronal | Total | 89.42 ± 10.11 | 0.97 (0.95–0.99) | 83.69 ± 13.79 | 0.99 (0.98–1.00) |
| Left | 44.15 ± 6.72 | 0.97 (0.93–0.99) | 42.17 ± 7.33 | 0.98 (0.96–0.99) | |
| Right | 45.28 ± 4.97 | 0.98 (0.95–0.99) | 41.52 ± 7.11 | 0.98 (0.97–0.99) | |
|
| |||||
| Transverse | Total | 143.29 ± 17.02 | 0.99 (0.97–0.99) | 134.87 ± 22.43 | 0.98 (0.97–0.99) |
| Left | 69.67 ± 10.87 | 0.99 (0.97–0.99) | 64.89 ± 11.74 | 0.98 (0.96–0.99) | |
| Right | 73.62 ± 10.81 | 0.99 (0.97–0.99) | 69.98 ± 13.99 | 0.99 (0.98–1.00) | |
SD: standard deviation; ICC: intraclass correlation coefficient; CI: confidence interval.