Jake Gyllenhaal in Top 25 Men's Fitness Magazine

"Every year Men’s Fitness Magazine picks the “MF25” which is their list of male celebrities with the hottest bodies.
Jake Gyllenhaal as Prince Dastan climbing a wall in "Prince of Persia: The Sands of Time".

Reese Witherspoon’s ex Jake Gyllenhaal makes the list because he worked his biceps for his new movie Prince of Persia: The Sands of Time. `Ryan Kwanten gets singled out because he knows how to do a downward dog".
Source: www.radaronline.com

Ryan Kwanten, 33, Australia (Actor) As Jason Stackhouse in HBO’s hit series True Blood, Kwanten’s frequent nude scenes gives him plenty of motivation to stay in shape. However, as a former welterweight boxing champion, a biathlon athlete and a yoga instructor, the actor doesn’t have to worry about keeping in shape.
Sam Worthington as Perseus in "Clash of the Titans" (2010).
Sam Worthington, 33, Australia (Actor) For his role in the block-buster film, Avatar, Sam Worthington spent months doing physical training. He and the cast even went on a jungle boot camp, trekking the rain forest and living tribally.
New international poster of "Prince of Persia: The Sands of Time".

Jake Gyllenhaal still from "Jim Sheridan: Film and Family" ("Brothers" DVD Extra).

Jake Gyllenhaal, 29, USA (Actor) For his lead role in the upcoming blockbuster, Prince of Persia: The Sands of Time, Jake Gyllenhaal had to undergo a dramatic physical transformation. The actor packed on the muscle by doing a combination of outdoor cardio interval workouts and power circuits in the gym.
Source: www.radaronline.com