Movement: Functional Movement Systems: Screening, Assessment and Corrective Strategies

Gray's premise is beautiful in its simplicity: Training movement can fix muscles, but training muscles rarely fixes movement. Since all of sport is movement, his 80/20 approach is then astounding in its effectiveness. For the time invested, the FMS and its cousins are the best tools I've seen for producing bullet-proof athletes and pain-free non-athletes in record time. Tim Ferriss, author of the #1 NY Times bestseller, The 4-Hour Workweek