No one is immune to a little back pain now and again, so luckily, there's the aptly-named Superman exercise. It's a simple, accessible move that improves spine flexion, eases stiffness, and improves ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to chest-developing exercises, the fly ranks as one of the most popular among gymgoers. But ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Lifting heavy weights is not the only way to strengthen your muscles. And studies have shown that ...