 [ Symptoms ] exercises to do when one has ankylosing spondylitis with an andersson lesion [ Disease ] hi there are 2 types of nerve damage  neuropraxia only stretching of the nerves and neurotemesis cutting of the nerve neuropraxia heal spontaneously within 3 4 weks with methycobalamin folic acid and pregabalin tablets neurotemesis is irreversible and needs a nervemuscle transfer assess which of these do u have by doing nerve conduction velocities and electromyography study thanks