Table 1.

Inclusion criteria for cervicogenic dizziness.

Sensation: “lightheadedness or disequilibrium” not “rotatory”; Onset: gradual, but not acute; Episode: minutes to hours; Trigger: neck movement or specific neck position; Coexistence: neck pain and/or stiffness; Accompany symptom: headache, shoulder pain, and/or radicular pain occasionally; Physical examination: palpation for pain and tenderness, limited cervical range of motion; Intervention: manual therapy, trigger point injection, or nerve block of neck is positive