Ever wonder why some people seem to pack on muscle effortlessly while others spend months in the gym with little to show for it? Muscle growth isn't just about lifting weights -- it's a complex ...

Stay strong and explosive by lifting lighter and faster. Here’s how to do it right. Most guys think the only trick to getting stronger is lifting heavy, but the real secret to building power is speed.

What's the first thing that comes to mind when you think about the words twitch and muscle? Spasms, perhaps. You'd hardly be alone in thinking that. But when it comes to fitness, it's most commonly ...

There’s no slowing the hands of time….but your legs are another story. In A Nutshell Korean scientists identified 20 DNA ...