This second shadow boxing drill, of course, is traditional shadow boxing. It's done usually in two to three minute rounds with one minute rest intervals. If you're a fighter, it's very possible you're doing five to ten rounds of shadow boxing to prepare for a fight. It's a great way to expend calories, work all your sports specific movement. Shadow boxing makes boxing perfection. It's the foundation of boxing. Shadow boxing is no different than dancing. And Delen's going to show you how it's done.