🇦🇺The accessory spinal nerve or XI cranial nerve is essential for neck and shoulder movement, the intrinsic musculature of the larynx, and the sensitive afferences of the trapezius and brachiocephalic musculature. Learn together - book or attend a clinic near you. https://www.winnhorses.org/horsemanship-clinics 🇦🇺 Research has also shown that trauma to the upper cervical results in incorrect postural attitude and can disturb the function of the nerve. 🇦🇺 The accessory comes out of the jugu