Virtually all these nerves Manage the capabilities in the higher extremities and enable you to really feel your arms, shoulder, and again of your respective head.  Each and every nerve presents sensation to a selected location of the body identified as a dermatome.  tchrist♦tchrist 139k4949 gold badges379379 silver badges621621 bronze https://www.theorthopaedicandpainpractice.com/treatment-for-neck-pain-headaches/