Building strong, muscular quads is best done with a combination of compound exercises—squats, lunges, leg presses—and isolation work, such as leg extensions. Tack on some powerful plyometric moves, ...

This funny-looking move is more than social media fluff. This leg day staple can save your spine.

Whether you realize it or not, your quads work hard all day, every day. So, your quads deserve some extra attention to keep them functioning at peak performance, and no leg day is complete without ...

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?