The PRO Pumproom featuring monster professional bodybuilders pumping up and flexing backstage at various contests. This mashup examines the following aspects of backstage bodybuilding before a contest: <br /> <br />Delts & Traps <br />Abs Fabs <br />Legs <br />Basic Back <br />Pressup <br />Mega Pecs <br />Pumping Gunz <br />Lube and Paint Central <br />Formcheck <br /> <br />Note that this video contains many bodybuilders, only some of whom are identified by the tags.
