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 are important muscles to train, but it can be tough to work the mighty muscle group without taxing your back doing moves like Romanian deadlifts or good mornings. You can isolate the ...

Ah, hamstrings: the middle child of muscle groups. While they might not be the sexiest parts of our bodies, strong hamstrings play a vital role in our overall strength and stability. To learn more ...

Do you ever wake up with tight, stiff legs and wonder why? Or maybe, during yoga class, you find it difficult to touch your heels to the ground in downward-facing dog. Either way, you could probably ...

"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 ...

When the weather isn’t ideal, it’s good to have a workout ready that was designed specifically to improve your running performance—that you can do indoors. This glutes and hamstrings workout provides ...

A CSCS shares 5 standing exercises covering squat, hinge, pull, press, and core patterns to rebuild muscle mass after 50.

Lower back pain is a common ailment affecting many Americans, often exacerbated by improper lifting techniques. Excess weight, especially in the midsection, increases strain on lower back muscles, ...

Hamstring curls and Romanian deadlifts both strengthen the hamstrings, but they challenge the muscles in different ways. Beginners may benefit more from hamstring curls, while Romanian deadlifts are ...

Here's why your obsession with stretching is actually keeping you tight and how to finally find relief.