Contents -- 1. Introduction -- Past and Present -- References -- 2. The Intraspinal Plexus Injury and Its Natural History -- Conclusion -- References -- 3. Surgical Anatomy -- The Brachial Plexus -- The Lumbosacral Plexus and Cauda Equina -- The Root Sheath -- Blood Supply -- The Cervical Nerve Roots -- The Cervical Spinal Cord -- The motor neurons -- The sensory neurons -- The fibre tracts -- Conclusion -- References -- 4. Assessment of Patients with Intraspinal Plexus Injuries -- Clinical Examination -- The brachial plexus -- The lumbosacral plexus -- Ancillary Investigations -- Electrophysiology -- Imaging -- References -- 5. Palliative Peripheral Nerve Procedures for Spinal Root Injuries -- Intraplexus Transfers -- Extraplexus Transfers -- Intercostal Nerve Transfers -- Spinal Accessory Nerve Transfers -- Other Nerves -- Outcome of Nerve Transfers -- End-to-Side or Termino-Lateral Repair -- Lumbosacral Plexus Lesions -- An illustrative case -- Conclusion -- References -- 6. Basic Science of Experimental Root Injuries -- The Transitional Region (TR) -- Degeneration and Regeneration -- Regenerated Function -- Conclusion -- References -- 7. Surgical Exposures and Repairs -- Exposures -- Brachial plexus -- Lumbosacral plexus -- Repairs -- Brachial plexus (see video) -- Lumbosacral plexus -- Conclusion -- References -- 8. Outcome -- Brachial Plexus -- Motor recovery -- Sensory recovery -- Pain -- Illustrative cases of recovery after total brachial plexus avulsion and reimplantation -- Lumbosacral Plexus -- Illustrative cases -- Conclusion -- References -- 9. Conclusion -- The Future -- Rapid death of nerve cells after avulsion trauma -- No sensory recovery of afferent feedback -- Nonspecific reinnervation with synergism and deficient hand recovery -- References -- Index.