CrossFit is all about constantly-varied, high-intensity movements. And to do these movements, you have to have a certified coach to take you through this - or any type of physical activity.
Bob HarperIt's the fact that no matter how bad it's gotten, the body wants to be healthy. The body wants to bounce back. When you do these changes, you do these small changes every single day, and you trust the process of what you're doing. You really do make lasting changes onto your body.
Bob Harper