Gregory Joujon-Roche Shows us the Ultimate Abs Exercise

Gregory Joujon-Roche, trainer to the stars – celebrities such as Gwen Stefani, Demi Moore, Brad Pitt, Ethan Hawke, Leonardo DiCaprio, Tobey Maguire, Pierce Brosnan, Pink, Petra, Gisele and many others – shows you a great exercise for building your abdominal muscles – an exercise that will change your stomach. It works the upper stomach, the lower stomach, the obliques all at the same time. It is called the Accordion Crunch. Get more tips from Gregory at www.onebodyonelife.com