Why This Anatomy May Matter in Headache and Neck Pain In the proceedings of the 2000 International Conference of Spinal Manipulation, Kenin, Humphreys, Hubbard, and Cramer reported important findings regarding connective tissue attachments between the spinal dura and the posterior cervical structures. Their study, Attachments from the Spinal Dura to the Ligamentum Nuchae: Incidence, MRI Appearance, and Strength of Attachment , explored whether consistent anatomical connection