In this ultimate guide to resolving pain, preventing injury, and optimizing athletic performance. Mobility expert and SF Crossfit founder Kelly Starrett has taught tens of thousands of people, from elite athletes to weekend warriors, how to improve their movement and positioning to fix inefficiencies and avoid injuries. Kelly offers a healthy “how-to” blueprint for moving about in our hectic everyday lives. How do you fix your position while sitting at your desk at work for hours on end? How can you lift your kids without hurting your back? What’s the best way to run to avoid long-term injury? Kelly will give you all the tools you need to perfect your movement and ensure long-lasting health and mobility, unlocking reservoirs of athletic capacity you didn’t even know you had.