One of the most pervasive myths among runners is that there’s no need for strength training. Some of the most common rumors about stepping into the gym to do anything other than use the treadmill ...

When you push up a hill or race along a straightaway, both your upper-body and lower-body muscles are relying on power and strength to move the bike against gravity and resistance. Surprised to learn ...

Scientists say power—your ability to move quickly—is one of the first fitness skills to fade with age. And it’s not as hard as you think to build it back. A leg press machine at a gym in New York.