THE LEG CURL is one of the best machines for building hamstring strength and size. If you don't have one handy, though, what's the next best option? There are two types of hamstring curl machines, and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE LEG CURL is one of the best machines—and best methods, period—for building hamstring strength and ...

When you think of weight machines, what’s the first thing that comes to mind? For many, it’s clunky gym equipment that feels like it belongs in a beginner’s corner or a rehab clinic. But that ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. For strong, powerful ...

The hamstrings tend to get a lot of love during a stretch routine (who doesn’t have tight hammies?). When it comes to strength training, though, the quads and calves steal most of the spotlight — ...

Hamstring strains are one of the most common—and frustrating—soft-tissue injuries suffered by athletes. There are two main types: an acute strain and a proximal hamstring tendinopathy, a ...

THE LEG CURL is one of the best machines—and best methods, period—for building hamstring strength and size. There are two types of hamstring curl machines, and you're likely to find one or the other ...