"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE BACK extension, that time-tested move for building back strength, has been around the block. But here ...

Forget about feeling lost among all that iron and pulleys. I've prepared a friendly guide to help you identify your "super machines" at the gym, the ones that will help you sculpt the body you want ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." And when it comes to choosing one, quality matters. We rolled up our sleeves and got to testing and ...