is there a nerve in the neck that affects the arm and leg
Unfortunately, problems in the neck/shoulder or back/hip can also effect the lower arm or leg due to pinching of nerves. Deep aching nerve pai n or numbness may develop which travels into the elbow/forearm/hand or hip/leg/foot.pinal nerves carry messages from the brain directing your organs to function properly. Spinal soreness and pain can be an indication that spinal nerves may not be functioning normally. Good health depends on good spinal nerve supply to your organs.