1. These foramina are the entry and exit conducts for the spinal nerves . 2. This technique is repeated for rootlets between spinal nerves L2 and S2. 3. Decussation usually occurs 1-2 spinal nerve segments above the point of entry. 4. Nerve roots merge into 31 bilaterally symmetric pairs of spinal nerves . 5. The cervical nerves are the spinal nerves from the cervical vertebrae. 6. The upper three spinal nerves give off branches to the skin. 7. The thoracic nerves are the twelve spinal nerves emerging from the thoracic vertebrae. 8. For the rest of the body, Spinal nerves are responsible for somatosensory information. 9. The nerves that innervate teres major consist of fibers from spinal nerves C8. 10. "Before the third week, there is recovery " of spinal nerves , Kalderon said.