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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE HAMSTRINGS, ONE of the major muscle groups in the legs, are invaluable for the types of movements ...

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 ...

These hamstring moves will leave you strong, flexible, and injury-free. You don't often hear anyone talking about how hard they hit their hamstrings at the gym. When we think of apps like Apple ...

"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 ...

I write about fitness for a living, but if there’s one move I can’t stand, it’s burpees. Sure, it’s a powerhouse move that ...

The muscle group that runs from the back of the hip to the knee bone can be especially vulnerable after a long, sedentary ...

A certified trainer shares 5 chair exercises that restore leg strength after 60. No squats or heavy lifting needed.