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?

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Fitness specialists say some of the best quad-building exercises don’t require a single squat.

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 ...

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 ...

Stretching isn’t the most exciting part of a runner’s routine, but the benefits of a good stretch can’t be understated. That doesn’t mean you need to plan an intricate routine to stretch for hours a ...