Surgical approaches, E.J. Riseborough; Regional variations of vertebral column, spinal cord and nerve roots, Rene Louis; regional variations of blood supply, George F. Dommisse; epindemiology of spinal pain, J.S. Lawrence; neurophysiology of spinal pain, J.F. B. Morrison; biomechanics of the motion segment, John W. Frymoyer and Ian A. Stokes; a radiological approach to mechanical back pain, W.P. Butt; magnetic resonance imaging of the spine, R.R. Mawhinney and B. S. Worthington; lumbar disc disorder, A. Naylor; lumbar disc prolapes in adolescents, Thomal K. F. Taylor; thoracic disc disorder, Thomal K.F. Taylor; cervical disc and degenerative desease, Malcolm M. Cameron; spinal microsurgery, Michael Torrens; inflammatory arthritis, David H. Bossingham and Robert A. Diockson; medial management of spinal pain, James H. Cyriax; rehabilitation of the spinal pain patient, R. H. Withrington and Wynn Parry; biomachanics of spine trauma, John F. Frymoyer and Ian A. Stokes; spinal trauma - general principles and cervical injuries, David C. Reid; thoracolumbar injuries, Robert A. Dickson; spinal trauma - neurological assissment and rehabilitation, H. L. Frankel; congenital abnormalities, P. Deacon and R. A. Dickson; spondylolisthesis, J. H. S. Scott; spinal deformative, Robert A. Dickson and Kenton D. Leatherman; metabolic and inherited disorders of the spine, Roger Smith and Gregory Houghton; infections of the spine, John H. Wedge and W. H. Kirkaldy-Willis; intradural tumours, C. B. T. Adams; extra-dural tumours of the spine, R. Roy Camille and C. J. McCullough; anaesthesia for spinal surgery, S. Swindells.