Kris Gethin put Team Grenade through a punishing series of DTP workouts. This killer core workout is Grenade's way of saying thanks.

Don't go to the gym unprepared and expect results. Use Marc Megna's formula to build a body that matches your test scores!

Mad calves make men look great in shorts throughout the summer and they're easier to get than you think! Learn how!

I've written more than 100 fitness articles that have been published all over the world. My goal is to help you get in the best shape possible!

Burn fat at a breakneck pace and carve your very own six-pack with this high-intensity, ten-minute abs workout!

One of my favs! stretches, strengthens, and builds the core. Arms and legs even feel the burn!!!

Kyle's internal engine thrives on achievement and dedication. See how this teen blasted through barriers to create a body of perfection!

You can see the finish line. You can see results in the mirror. Now see how your weights stack up against the numbers that built four Mr. Olympia physiques!

Mark Wahlberg is a heavyweight actor who loves to lift heavy weights. When it came time to play a bodybuilder in Pain and Gain, he knew exactly what to do. Try his hardcore workouts!

It's a momentous occasion when your abdominal muscles finally spring into view! It means ''before'' is long gone and ''after'' is in sight! Learn how stay six-packed year-round.

Competitors from all over the world will battle it out at the 2013 CrossFit games to prove themselves as the Fittest on Earth. In this video series, two-time Games champ and BSN athlete Rich Froning shares his training, diet, and supplementation regi