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 ...

If you want to grow your legs, then you can’t forgo their largest muscle – the quads. But, did you know the benefit of training this muscle stems further than simply making sure you look good in your ...

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 ...

The best quad exercises are those that strengthen your upper leg muscles and create a steady foundation for your whole body. Quads are an extremely important group of muscles that help you raise your ...

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?

While this can be a good knee-builder, Cavaliere doesn't rate the "sissy" squat in terms of what it can do for your quads. "It's never going to create the kind of hypertrophy you're looking for," he ...

Instructions: Starting with the first move, complete as many reps as possible for 40 seconds while maintaining proper form. Then rest for 20 seconds as you prepare for the next exercise. Repeat this ...