Virtually all these nerves Regulate the features with the higher extremities and assist you to feel your arms, shoulder, and back of one's head.  Every single nerve presents sensation to a certain area of the human body termed a dermatome.  tchrist♦tchrist 139k4949 gold badges379379 silver badges621621 bronze badges 3 The https://www.theorthopaedicandpainpractice.com/treatment-for-neck-pain-headaches/