Book excerpt: This is a must-have for fitness professionals and enthusiasts. This unique muscle manual categorizes over 80 muscles into over 40 movements with medically accurate illustrations. Too many muscle manuals concentrate on muscle locations and origins and insertions, creating guides that emphasize an endless list of technical terminology with little functionality. The Movement Muscle Manual is a compact guide that categorizes muscles by the movements they facilitate. Therefore, the reader gains a much better understanding of how muscles assist and oppose each other to create a movement. The difference between good trainers and great trainers is often an in-depth understanding of functional anatomy - a deep understanding of how the body's structures relate to movement and training. Become the Expert!