When it comes to training legs, the hamstrings are serious heavy-hitters. Work them properly and you'll not only add full-body strength, you'll build athleticism and boost sporting performance.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards ...

Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards toward the ground, it may look like you’re levitating from certain angles. But this move isn’t all ...

Small changes can lead to big fitness gains. If you have been performing lower-body exercises with two feet on the floor, side by side, try mixing up your stance, says Mark Murphy. He is the lead ...