"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards ...

Your hamstrings might not be the most visible muscles, but they’re among the most important for overall fitness and injury prevention. These powerful muscles at the back of your thighs play a critical ...

Tsukuba, Japan—Different types of exercise encourage the formation of different types of muscle fibers, or the cells that make up your muscles. Slow twitch muscle fibers support endurance activities ...

How many of you include hamstring exercises in your leg workouts? And bum exercises? I’ll hedge my bets a lot more of you answered yes to the latter. While neither are anterior chain muscles (i.e., ...

When you picture different athletes—marathon runners, gymnasts, and Olympic weightlifters, for example—you likely categorize them instinctively by their height, size, and build. But the differences in ...

For strong, powerful legs, you need to work both your quads (on the front of your thighs), and hamstrings (on the back). For the quads, squats are a given. But what are the best exercises to hit the ...

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 ...

Researchers have identified the role of the large Maf transcription factor family in regulating fast twitch muscle fibers. A mouse model lacking Maf expression in the skeletal muscles exhibited a ...