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, ...

If you want to grow your legs, then you can’t forgo their largest muscle – the quads. But, did you know the benefit of training this muscle stems further than simply making sure you look good in your ...

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?

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

Get the blood flowing and muscles firing with these six warm-up stretches for runners to prevent injury and feel your best.

We get it: Post run stretches can sometimes feel like a waste of precious time. After all, they don’t leave you sweaty, breathless, or sore—perhaps leading you to think they aren’t a “productive” form ...

If you get knee pain or injuries in the gym, that could be from sitting all day. Exercises that strengthen and stretch the leg muscles effectively will help protect knees. For healthier joints, aim to ...