Apley's system has long been a favourite textbook for those preparing for postgraduate surgery examinations. This shorter revised version has been prepared to meet the needs of students looking for a more introductory text. The approach retains the features which have made the system so successful. It explains the principles of orthopaedic examination using Apley's dictum look, feel, move. Treatment is outlined, although details are not included. There is also emphasis on scientific principles which reflects modern trends in teaching practice.