All Jacked Up: Top Muscle Bound Performances
Related Photo Galleries
Astro Boy: History of an Icon (15)
Funniest Christmas Movies of All Time (9)
View Again
Audiences have come to expect pumped up pecs and perfect abs from their action stars, but a buff bod takes a lot of work. We've put together a gallery of some of our favorite action stars and what they had to do to get into shape.
via movies.yahoo.com
