From: Can atlas spina bifida-occulta be a cause of cervicogenic headaches?
Male (n) | Female (n) | Total (N) | |
---|---|---|---|
I: Unilateral head pain, without side shift | 3 | 2 | 5 |
II: Provocation, unphysiological neck positions | 6 | 8 | 14 |
III: Provocation, externally; neck/occipital area | 6 | 9 | 15 |
IV: Range of motion, neck; deficit* | 5 | 8 | 13 |
V: Shoulder pain, diffuse | 2 | 3 | 5 |
VI: Arm pain, diffuse | 1 | 3 | 4 |
VII: Pain, starting posteriorly—ending up anteriorly | 7 | 10 | 17 |