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, ...

The longest bones in your body are your femurs, which are located within your upper legs. Connected to your femurs are your quadriceps, which are behind practically every movement that you do. This is ...

Squats aren’t the only way to build strong quads—moves like step-ups, lunges, and leg presses target them just as well. These exercises work the quads in different ways, from eccentric engagement on ...

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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?

Leg exercises are one of the best things you can do for your overall fitness. Not only do your legs contain some of your largest muscle groups (think: quads, hamstrings, glutes and calves), they also ...

You've probably seen it at your gym: that machine that lets you squat with your back supported and your shoulders under some pads. It might look complicated at first, but once you get the hang of it, ...

Four years after New York Giants running back Saquon Barkley stunned the NFL with his quads, Green Bay Packers running back A.J. Dillon is coming for the title. Ever since his NFL debut, New York ...