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Outcome variables
| Outcome variables | Evaluation period | Measuring instrument | ||
|---|---|---|---|---|
| Baseline | Post-treatment | Three months post-treatment | ||
| Intensity of neck pain (main outome) | X | X | X | VAS |
| Neck disability | X | X | X | NDI |
| Overall cervical range of motion | X | X | X | CROM |
| Upper cervical range of motion | X | X | X | CROM |
| Headache intensity | X | X | X | HIT-6 |
| Rating of clinical change | X | X | GROC scale | |
