Alexander Ovechkin, 24, Russia (Hockey Player) Ovechkin is one of the NHL’s most skilled offensive players and the most physical. When asked what drives him be at the top of his game, he gives credit to his powerful legs and his hard workout regimen. “Without training, I’m nothing,” he says.

Cristiano Ronaldo, 25, Portugal (Soccer Player) Ronaldo gets about as much attention for his Hulk-like physique as he does for his ball-handling skills. Ronaldo’s secret? He does a staggering 3,000 sit-ups a day and strapping on weights to his feet, then dribbles a soccer ball.

Denis Leary, 52, USA (Actor)
As the star of FX’s hit show, Rescue Me, Denis Leary is not a big fan of regular cardio workouts. “I would have to commit a crime and have cops chase me. That would be the only way to get me to jog five miles,” says FX’s Rescue Me star. Instead the actor prefers a good game of street hockey to keep him in shape. “You can chase a ball and beat the crap out of each other for three hours at a time,” he says.

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.

Roger Federer, 28, Switzerland (Tennis Player) With sixteen grand slams and 60 career singles titles, Roger Federer trains four hours a day focusing on exercises like lateral lunges and medicine ball tosses.

Common, 38, USA (Rapper/Actor)
Grammy-nominated rapper Common gave up the junk food for a healthy diet and a strong workout regime. “I feel like I’m planting seeds when I’m [working out],” he says, “making things fruitful and giving back to myself.”

Roger Goodell, 51, USA (NFL Commissioner) NFL commissioner Roger Goodell is helping the fight against childhood obesity. He along with the NFL created the “Play 60” campaign to urge kids to exercise. Goodell is a great role model for being active as he has climbed Mount Rainier and does a three-hour cardio regimen everyday.

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.

Kobe Bryant, 31, USA (NBA Player)
The NBA star is arguably one of the best basketball players of all time. Now in his 14th season, Kobe is lean and muscular after bringing on basketball legend Michael Jordan’s former trainer Tim Grover on the road to help him with his training. “The key is to push yourself to a level where you’re hurting,” says the basketball star.

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.

Chris Hemsworth, 26, Australia (Actor)
The up-and-coming actor is preparing for a role of a lifetime- to play the mallet-wielding Norse god Thor, in the epic movie Red Dawn that is scheduled to theaters in 2011. Luckily he has the body needed to live up to his rising stardom.

Jason Statham, 38, United Kingdom (Actor) The former Olympic diver now an action movie star will be starring alongside Sylvester Stallone in this summer’s The Expendables.