Part 1 Physiology of joints: biology of joints, Peter A. Simkin. Part 2 Mechanics: the anatomy of joints related to function, Laurence M. Adams, the mechanics of gait, Jacquelin Perry, synovial fluid, Pierre Geborek and Frank A. Wollheim, lubrication of human joints, Anthony Unsworth, ligament reconstruction with reference to the anterior cruciate ligament of the knee, Bahaa B. Seedhom, joint stiffness, P.S. Helliwell, muscle physiology and electromyography, Alison Cutts. Part 3 Neurophysiology: neurophysiology of joints, Hakan Johansson and Per Sjolander. Part 4 Pathophysiology: intervertebral disk, Gunnar B.J. Andersson, effect of vibration, J.E. Smeathers and P.S. Helliwell, osteoarthrosis, Eric L. Radin, mechanically induced periarticular and neuromuscular problems, Eric L. Radin. Part 5 Treatment: principles of joint prostheses, J. David Blaha, physiologically based treatments, Paul Maquet.