Cervicogenic Headache
| Cervicogenic Headache Cluster (Jull / Hall: restricted CFRT + painful upper cervical joint dysfunction + impaired cranio-cervical flexion endurance) | 100 | 94 | 16.7 | ||
| Cervical Flexion-Rotation Test (CFRT) for C1-C2C1-C2 | 91 | 90 | 9.1 | ||
| Manual examination of upper cervical segments (C0-C3)C0-C3 | 100 | 100 | — | ||
| Craniocervical Flexion Test (CCFT, Jull deep neck flexor endurance) | — | — | — |