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| Mean ± standard deviation | ||
|---|---|---|
| Control group | Experimental group | |
| Tone (Hz) | 13.3 ± 3.3 | 15.6 ± 2.9* |
| Elasticity (Log decrement) | 1.2 ± 0.1 | 1.3 ± 0.2 |
| Stiffness (N/m) | 260.1 ± 32.1 | 323.9 ± 35.9* |
*Significant difference between the 2 groups (p<0.05). Control group: patients with cervicogenic headache. Experimental group: healthy subjects
