Table 3.
Repeated measures ANOVA results examining the effect of posture on head rotation and translation around x, y and z axes, during maximal and comfortable opening
| Maximum opening | Comfortable opening | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| F | P | Post hoc | F | P | Post hoc | |
| Peak head lateral flexion | 0.29 | 0.754 | N/A | 1.1 | 0.335 | N/A |
|
| ||||||
| Peak head flexion/extension | 1.91 | 0.171 | N/A | 0.11 | 0.865 | N/A |
|
| ||||||
| Peak head rotation | 1.97 | 0.017 | N/A | 0.97 | 0.377 | N/A |
|
| ||||||
| Peak head translation anterior/posterior | 1.42 | 0.263 | N/A | 1.97 | 0.016 | N/A |
|
| ||||||
| Peak head translation left/right | 1.4 | 0.267 | N/A | 0.68 | 0.467 | N/A |
|
| ||||||
| Peak head translation superior/inferior | 15.17 | 0.001a | N > S, U > S | 10.62 | 0.003a | N > S, U > S |
aSignificant ANOVA results at the corrected alpha level of P = 0.0033.
N/A = not applicable; N = neutral posture, U = upright posture, S = slumped posture; F = F statistic from ANOVA; P = P-value from ANOVA.