"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 ...

THE HAMSTRINGS, ONE of the major muscle groups in the legs, are invaluable for the types of movements performed by high-level athletes and everyday exercisers alike. Your hamstrings are essential for ...

You’ll know the feeling if you have tight hamstrings – your strides feel shorter, it seems like you’re working harder than usual and your legs feel stiff and restricted. Going faster or tackling hills ...