If you didn’t already know you have different types of muscle fibers in your body, now you do. And depending on how you exercise or what sports you enjoy, you’re building and recruiting some ...

Factors like nutrition and muscle strength and size are all involved when it comes to your running speed, and your genetics ...

If you enjoy overhead exercises like the overhead press or squat, adopting the prisoner position will help you find more depth without compromising on your upper-body positioning, improving your ...

A typical SIT workout begins with a five-minute light cardio warmup to condition muscles for activity, followed by a maximum ...

Former NFL pro Roman Fortin is helping his clients strengthen their "Fast Twitch" muscles—the muscle fibers we use when doing short, intense—more exertive activity. Problem is these types of ...

Stand tall on your board and keep your knees slightly bent for balance. Keep your arms straight when you paddle and rotate ...

Phillips. To understand the physiology at play, it helps to know the difference between our two types of muscle fibers: fast twitch, or type II, produces force but fatigues quickly (think ...

The size and length of your tendons and the makeup of your muscle fibers affect your abs, too, and these are things you can’t change. “Some people have more fast-twitch muscle fibers ...