It pays to pay attention to your hamstrings. Just ask celebrity trainer Ashley Borden. The Los Angeles–based creator of her namesake fitness app, whose clients have included Christina Aguilera, ...

Add Yahoo as a preferred source to see more of our stories on Google. Continue reading to learn why you need a hamstring workout and which key exercises you need to do to build strong, resilient legs.

"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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Aside from being the ying to your quadriceps’ yang, hamstrings play a part in a number of other daily activities. We’re talking ...

Why tightness happens: Prolonged sitting, weak glutes, and muscle imbalances can force hamstrings to overwork, leading to tightness and reduced mobility. Key moves to try: Incorporate squats, Romanian ...

The hamstrings are an important 2-joint muscle that acts at both the hip and knee during running. Since they are a powerful hip extensor, they play a major role in propelling the body forward with ...

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 ...

Looking to seriously strengthen your hamstrings? Give sliding leg curls a go. Celebrity trainer Don Saladino, cofounder of NYC-based Drive495 gym—whose clients have included Blake Lively, Ryan ...

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 ...