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 ...

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 ...

This is an archived article and the information in the article may be outdated.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 ...

You can get the same workout and build strength without heavy equipment. But it takes work. By Christie Aschwanden Many people believe that to build strength you either need a set of weights or a gym ...