Have you heard of fast-twitch and slow-twitch muscle fibers? These are the two types of muscle that are responsible for all your gains in the gym. And depending on how you train — and even your own ...

As we age, we lose muscle at the rate of 5 to 7 pounds per decade, unless we perform regular strength training. However, even when we do progressive resistance exercise we experience a change in our ...

Usain Bolt, the world’s fastest person, ran a 100-meter sprint at a speed of 23.35 miles per hour (37.57 kilometers per hour). That’s mind-blowingly fast for a human. It’s about the same speed as ...

If you’ve ever wondered why some people seem to adapt more quickly to resistance training, it’s probably due to the type of skeletal muscle tissue they have. Each of our muscle fibers is either ...

Speed training with resistance focuses on improving sequencing, not brute force. The weighted vest adds load that forces ...

Runners usually talk about muscles in terms of quads, glutes and hamstrings. Exercise physiologists, on the other hand, talk about muscles in terms of fast-twitch and slow-twitch fibres - which is one ...

San Francisco 49ers star tight end George Kittle's offseason mornings usually involve working out, and like many professional athletes, an extra energy boost is needed. Fast Twitch is his go-to ...

Gatorade, a division of PepsiCo, is entering the energy drink category with it's first caffeine drink Fast Twitch. Fast Twitch, PepsiCo’s Gatorade’s first caffeinated beverage, will join the energy ...