Leg extensions are one of the most effective exercises for isolating the quadriceps. Unlike compound movements like squats or lunges, the leg extension machine specifically targets the knee joint, ...

If you’ve ever been in a big-box gym before, you’ve seen plenty of guys doing classic leg exercises like squats and lunges and deadlifts. But there’s a good chance you’ve also seen a host of ...

If you want legs that command attention, you have to balance strength and size. Squats and deadlifts will crush your glutes and hamstrings, helping you to pack on serious power. But if you want quads ...

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?

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Squats train all the major ...

Besides clocking a few miles here and there on the treadmill, the gym may not be the first place that comes to mind when you think about reaching your PR. But it does, in fact, offer some unique ...

Reasons to work out your legs, which belong to the biggest muscle groups of your body, are plentiful. Leg workouts improve your overall strength, reduce your chance of injury, and maintain a healthy ...