Kickboxing is an easy way to lose weight, burn calories and get stronger. Knock out boredom and blast fat all over with muscle-sculpting kickboxing exercise moves. Burns an average of 500 calories an hour (some estimates reach 810) Targets your arms, shoulders, abs, thighs, and butt in one workout. It's an amazing stress release (how often do you get to pretend you're beating up your archenemy?)