Pressure (MPa) | Segments | Models | P values | ||||
---|---|---|---|---|---|---|---|
Intact | Group 1 | Group 2 | Intact versus Group 1 | Intact versus Group 2 | Group 1 versus Group 2 | ||
Flexion | |||||||
 | C2/3 | 0.25 ± 0.06 | 0.38 ± 0.10 | 0.30 ± 0.08 | 0.001* | 0.078 | 0.038* |
 | C4/5 | 0.29 ± 0.06 | 0.49 ± 0.12 | 0.46 ± 0.12 |  < 0.001* | 0.001* | 0.586 |
 | C6/7 | 0.26 ± 0.05 | 0.35 ± 0.09 | 0.49 ± 0.12 | 0.007* |  < 0.001* | 0.005* |
Extension | |||||||
 | C2/3 | 0.29 ± 0.06 | 0.40 ± 0.10 | 0.26 ± 0.07 | 0.005* | 0.346 | 0.001* |
 | C4/5 | 0.29 ± 0.06 | 0.51 ± 0.13 | 0.49 ± 0.12 |  < 0.001* |  < 0.001* | 0.683 |
 | C6/7 | 0.26 ± 0.05 | 0.34 ± 0.09 | 0.48 ± 0.12 | 0.020* |  < 0.001* | 0.005* |
Lateral bending | |||||||
 | C2/3 | 0.40 ± 0.07 | 0.64 ± 0.16 | 0.46 ± 0.12 |  < 0.001* | 0.139 | 0.007* |
 | C4/5 | 0.43 ± 0.08 | 0.74 ± 0.19 | 0.74 ± 0.19 |  < 0.001* |  < 0.001* | 0.956 |
 | C6/7 | 0.40 ± 0.07 | 0.53 ± 0.13 | 0.61 ± 0.15 | 0.001* | 0.001* | 0.260 |
Axial rotation | |||||||
 | C2/3 | 0.43 ± 0.08 | 0.69 ± 0.17 | 0.50 ± 0.13 |  < 0.001* | 0.165 | 0.006* |
 | C4/5 | 0.46 ± 0.08 | 0.78 ± 0.20 | 0.80 ± 0.20 |  < 0.001* |  < 0.001* | 0.884 |
 | C6/7 | 0.43 ± 0.08 | 0.55 ± 0.14 | 0.66 ± 0.17 | 0.023* |  < 0.001* | 0.108 |