Notational analysis is used by coaches and sport scientists to gather objective data on the performance of athletes. Tactics, technique, individual athlete movement and work-rate can all be analysed, enabling coaches and athletes to learn more about performance and gain a competitive advantage. This second edition is fully updated with information about the latest technology, theory and research in notion and computor modelling of sport. There's also practical guidance for constructing notational systems for any sport, and using data to enhance training and coaching.