what purpose do medial branch nerves do
Medial branch nerves are very small nerve branches that carry the pain message from the facet joints and the muscles around the joints.If the nerves are blocked or numbed, they will not be able to transfer the pain sensation from the joints to the brain.edial branch nerves are very small nerve branches that carry the pain message from the facet joints and the muscles around the joints.
Medial Branch Block. The medial branch nerves are small nerve branches that transmit pain from the facet joints (small joints between vertebrae). The nerves do not control any muscles or sensation in your arms or legs.They are located along a boney groove in your back and neck.edial Branch Block. The medial branch nerves are small nerve branches that transmit pain from the facet joints (small joints between vertebrae). The nerves do not control any muscles or sensation in your arms or legs.