Bodybuilder Hwang Chul-Soon backstage

Bodybuilder Hwang Chul-Soon warms up backstage at the 2009 Musclemania™ World Championships held in Las Vegas, NV, in November, 2009. This footage and more will be available as part of a DVD series, “Backstage at the 2009 Musclemania™ World Championships,“ available in early 2010 at .