Table 1. Change in cervical lordosis, muscle stiffness and ROM.
| Day | Baseline | Intervention | AI | χ 2 | df | p | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 16 | ||||
| CL (°) | 3.0 | 8.0 | |||||||||||||
| Stiffness (N/m) | 398.0 | 399.0 | 360.5 | 370.0 | 348.0 | 328.0 | 311.0 | 322.5 | 318.5 | 329.5 | 321.5 | 320.0 | 4.28 | 1 | 0.039* |
| Flex (°) | 12.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 15.0 | 16.0 | 16.0 | 17.0 | 16.0 | 16.0 | 1.64 | 1 | 0.201 |
| Ext (°) | 8.0 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 9.0 | 9.0 | 8.0 | 8.0 | 10.0 | 11.0 | 1.64 | 1 | 0.201 |
| Llf (°) | 4.0 | 3.0 | 5.0 | 4.0 | 5.0 | 5.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 4.28 | 1 | 0.039* |
| Rlf (°) | 3.5 | 3.0 | 4.0 | 4.0 | 5.0 | 5.0 | 5.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.0 | 4.28 | 1 | 0.039* |
| Lrot (°) | 25.0 | 22.0 | 19.0 | 19.0 | 21.0 | 26.0 | 28.0 | 29.0 | 32.0 | 32.0 | 32.0 | 32.0 | 4.28 | 1 | 0.039* |
| Rrot (°) | 26.0 | 26.0 | 22.0 | 27.0 | 28.0 | 29.0 | 30.0 | 30.0 | 32.0 | 32.0 | 32.0 | 35.0 | 1.93 | 1 | 0.165 |
ROM: range of motion; CL: cervical lordosis; AI: after intervention; Flex: flexion; Ext: extension; Llf: left lateral flexion; Rlf: right lateral flexion; Lrot: left rotation; Rrot: right rotation. *Significant difference between baseline and intervention