Inclusion Criteria:  Aged 18 or older Symptoms: (1)Unilateral pain starting in the neck and radiating to the frontotemporal region or posterior fossa, (2) pain aggravated by neck movement, (3) restricted cervical range of motion, (4) non-throbbing and non-lancinatingnpain, 5) dysfunction/headache pain in at least one of the joints of the upper cervical spine(C0-C4), and (6) headache frequency of at least 1 per week over a period greater than 3 months.  Exclusion Criteria  Pain <2/10 Contraindications to the interventions Whiplash associated disorder within 6 weeks Pending litigation for neck pain and/or headache.