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. Ready for leg day?

Medically reviewed by Jennifer Steinhoff, MD The best exercises for bad knees are those that target the muscles supporting the knee without placing weight-bearing stress or causing undue flexion ...

When it comes to leg workouts, consistency is key. Your quads, hamstrings and glutes are made up of multiple muscles, which are responsible for multiple lower-body functions, so it’s important to have ...

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 ...

Your legs contain some of the largest and most powerful muscle groups in your entire body, yet they’re often overlooked in favor of flashier upper body workouts ...

"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 ...

If we look again at research on knee stabilizers, scientists have a theory that it’s good for injury prevention if your body ...