This summer, you’ll need a reliable bank of abs exercises to strengthen your six-pack muscles and sculpt muscle definition across your torso. To get the ball rolling, add these exercises to your ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a ...

All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a core movement as well. It's all about positioning. One great example of this is the V-sit ...