Many of us are under the impression that a punching bag is used only by boxers, but this is incorrect. Many fitness enthusiasts and athletes use a punching bag workout in their exercise routine, it is one of the best ways of exercising your entire body.
Knockout Workout - Upper body work does not always have to have pull ups and push ups nor does it require weights. A dynamic approach that employs shadow boxing moves and precise martial arts techniques pushes the muscles to work in both concentric and eccentric ways increasing effective power and speed. Don't spare yourself, the Knockout workout is here to help you.