Strong legs are the ultimate foundation for all fitness goals. They power your biggest lifts, drive your endurance, and most importantly, shield your knees from injury. Yet, many fitness routines ...

Strengthen and tone your thighs with these at home quad workouts and exercises. Quad exercises, when done correctly, are one of the best ways to get the strong, powerful thighs you've always wanted.

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?

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 ...

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For beefy quads and increased lower body strength, add this brutal bodyweight move to your next leg day. So, if you’re ready to dive into a squat variation that’s equal parts humbling and rewarding, ...