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?

Here are six quad exercises designed to protect your knees and build strength for downhill hiking from a physical therapist.

Whatever your fitness regimen, one thing you probably don't want to be skipping is quad stretches. Perhaps you sit all day (just us?), or, at the other end of the spectrum, you're used to exerting ...

The barbell squat is a popular movement, but different exercises can target the quadriceps in unique ways. This topic covers exercise preferences and training options for building stronger legs.