It trains the one quad muscle squats under-train, needs no equipment, and is brutal when done right. Here is the technique, the progressions, and what the research does and does not say.

Lunges are popular for toning and strengthening your legs, including a group of muscles called the quadriceps. Your quad muscles extend from your hips to your knees at the front of your thighs. Having ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. Building strong, muscular quads is best done with a combination of compound exercises—squats, lunges, leg presses—and isolation ...

Train your quads and calves through a deep range of motion while building muscular endurance and conditioning ...

If you never skip leg day, you're already one step ahead of the crowd on the mission to build big, strong legs. But you can broaden the scope of your goals—piecing together the perfect set of ...

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 ...

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?

Guy Fieri joins Dan Patrick to discuss his incredibly successful men's basketball bracket and his recent leg injury, describing a "crazy explosion of [his] quad muscle" that had his surgeon comparing ...

BOSTON - Researchers have found that there are certain exercises people with knee arthritis can do to reduce their need for joint replacement. Experts said to focus on the quadriceps muscles, the ...