Table 6.
Secondary Plane | Tertiary Plane | ||||
---|---|---|---|---|---|
ICC (CI, 95%) | RMSE (deg) | ICC (CI, 95%) | RMSE (deg) | ||
Flexion | Lumbar | 0.20 (−1.28–0.72) | 27.30 # | −0.07 (−2.06–0.63) | 45.88 ## |
Thoracic | 0.74 (0.25–0.91) | 6.06 | 0.38 (−0.78–0.78) | 10.61 | |
Hip | 0.68 (0.07–0.89) | 6.41 | 0.85 (0.58–0.95) † | 4.24 | |
Extension | Lumbar | 0.23 (−1.19–0.73) | 13.19 | 0.75 (0.29–0.91) † | 3.46 |
Thoracic | 0.43 (−0.64–0.80) | 3.86 | 0.58 (−0.20–0.85) | 4.21 | |
Hip | 0.78 (0.36–0.92) † | 2.81 | 0.08 (−1.64–0.68) | 11.29 | |
Left Axial Rotation | Lumbar | 0.93 (0.81–0.98) † | 2.19 | 0.76 (0.32–0.92) † | 3.57 |
Thoracic | 0.54 (−0.33–0.84) | 9.79 | 0.23 (−1.20–0.73) | 18.84 | |
Hip | 0.59 (−0.16–0.86) | 12.88 | 0.26 (−1.12–0.74) | 11.99 | |
Right Axial Rotation | Lumbar * | 0.69 (0.06–0.89) | 5.28 | 0.43 (−0.69–0.81) | 8.72 |
Thoracic * | 0.95 (0.84–0.98) † | 3.40 | 0.12 (−1.61–0.71) | 22.68 | |
Hip | 0.93 (0.80–0.98) † | 4.62 | 0.42 (−0.66–0.80) | 4.28 | |
Left Side Bend | Lumbar | 0.53 (−0.39–0.84) | 9.51 | 0.50 (−0.48–0.83) | 7.34 |
Thoracic | 0.85 (0.57–0.95) † | 3.96 | 0.85 (0.55– 0.95) † | 7.73 | |
Hip | 0.92 (0.76–0.97) † | 3.11 | 0.92 (0.76–0.97) † | 3.21 | |
Right Side Bend | Lumbar | 0.54 (−0.32–0.84) | 7.94 | 0.56 (−0.25–0.85) | 6.39 |
Thoracic | 0.74 (0.25–0.91) | 6.56 | 0.89 (0.69–0.96) † | 5.52 | |
Hip | 0.91 (0.74–0.97) † | 2.95 | 0.08 (−1.65–0.68) | 6.05 |
ICCs are listed with 95% confidence intervals; deg = degrees; * N = 15; † good–excellent ICCs; # RMSE reduced to 21.86° when single subject’s non-physiological data were excluded; ## RMSE reduced to 28.14° when single subject’s non-physiological data were excluded.