LONDON (AP) — No pain, no gain, as the old exercise adage goes. But just how much pain do you have to endure to benefit from weight training? That depends on what you’re trying to accomplish, fitness ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Sometimes, you have to fail to succeed in the long run—and the same can be true in the weight room. Enter ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LONDON (AP) — No pain, no gain, as the old ...

LONDON — No pain, no gain, as the old exercise adage goes. But just how much pain do you have to endure to benefit from weight training? That depends on what you’re trying to accomplish, fitness ...