OPQR is a concise MCQ book with 'to the point' information for students to read in the shortest possible time with a high degree of retention and maximum output. To enable students to better understand basic concepts, this new edition of a best-selling orthopedics book is enriched with images, diagrams, self-explanatory flowcharts, and easy-to-grasp mnemonics - many of which are new to this edition. The emphasis throughout is on concept building and focused learning.