Cervical Flexion-Rotation Test. The cervical spine is fully flexed and rotated to right and left while noting range of motion and pain. (From: Hall, Toby; Briffa, Kathy; Hopper, Diana, ‘Clinical Evaluation of Cervicogenic Headache: A Clinical Perspective’, Journal of Manual & Manipulative Therapy, 16(2), 2008, pp. 73-80. Used with Permission of Maney Publishing)