There exists a common set of principles underlying all athletic performance, and these principles, if observed in unison over time, enable any athlete to mature into an accomplished athlete capable of achieving a lifetime of enjoyment through participation in sports. This book is all about improving athletic performance. Learn how each of the ten athletic principles common to all sports assist top athletes in achieving superior athletic performance. Five special sections provide insight into Swimming, Running, Tennis, Cycling and Skiing. Skills mastered by top performing athletes are presented and explained in accordance with the ten athletic principles underlying The Unified Theory of Sports. Any athlete wishing to improve their own performance will benefit from advice provided. Read this book and you will gain valuable insight required to achieve a lifetime of enjoyment through participation in sports.