Spinal Nerve Function Check out this chart to quickly identify how possible nerve damage to your spinal chord could be interfering with your body’s natural function! Nerve Root Innervation Possible Symptoms C1 – C4 Intracranial Blood Vessels, Eyes, Lacrimal Gland, Paratid Gland, Scalp, Bas of Skull, Neck mescles Diaphragm Headaches, Migraine Headaches, dizziness, sinus problems, […]