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 ...

Your DNA might be giving you an edge or could be holding you back. The ACTN3 gene encodes the protein alpha-actinin-3, which is found almost exclusively in fast-twitch muscle fibers. These fibers are ...

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.

The smoking gun, for me, is the hill sprint at the end of the workout. I can still keep up with some of my younger training partners in tempo runs and mile reps, but when it comes to blasting uphill, ...

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 ...

A few years back, Golf Digest Best Young Teacher Steve Buzza (above) authored a terrific article on techniques that boost swing speed. His message is to give it all you got when you swing the driver.

Every swimmer loves a good power workout. What is better than a practice full of short reps, lots of rest and a whole lot of speed? Power practices are designed for swimmers to not only train fast, ...

Running is the bearer of many brilliant things – and greater strength and enhanced endurance are among the numerous benefits that it offers over time. While running one mile might feel difficult when ...