Book excerpt: Sling Training is the ultimate guide to bodyweight suspension training. This is functional fitness at its best: Agility, strength, and balance. Every exercise connects to your core muscles. 100 exercises range from easy to extreme. Individual chapters take you from targeting simple muscles to full-body movements. "It makes you less Arnold, more Bruce Lee," says pro snowboarder Fredrik Austbo. Sling Training features 15 sport-specific programs by world-class athletes, coaches, and physical therapists. Whether you do golf, soccer, or snowboarding, you will improve your game by adding suspension training to your workouts.