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 ...

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 ...

You can boost your explosive jumping power and engage your fast-twitch muscle fibers with jump squats. This strength and conditioning plyometric move is worthy of any high-intensity interval training ...

High-rep training typically refers to sets of 12 reps or more. For a long time, it’s been pigeonholed as the go-to method for boosting muscular endurance, but a growing number of fitness professionals ...