Nike Training Club – 30 Minute Workouts – Season 1 features high-energy interval training sessions designed to maximize fitness gains in just 30 minutes. Each workout includes short, intense bursts of ...

If ever there was a time to give CrossFit workouts a go, it's now. Jessica Alba and Cameron Diaz are believed to be big fans, and from no-equipment home workouts to doing a CrossFit challenge for ...

This workout includes five of her "favorite ab exercises," and it's equipment free, so you can do it at home, at the gym, or while traveling. CrossFit involves many gymnastics-based movements, and as ...

Beyond learning to pace yourself, this workout tests your will to succeed. That’s why I do this workout with Special Forces soldiers, pro endurance athletes, and CrossFit pros that I train. I find ...