Team USA's star speed skater has massive legs, leading to comparisons of another U.S. star athlete known for his quads.

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, ...

Stair-climbing strength after 60 starts here, try 5 standing moves with expert coaching tips from Eric North.

The Spanish squat uses a resistance band to support your knees while isolating your quads. Here’s how to do it, who it’s for, ...

Rowing machine muscles worked include the quads, glutes, triceps, and more, making it a great whole-body workout. This heart-pumping, high-intensity exercise activates many of the muscles that are ...

Leg strength exercises after 60, a CSCS coach shares 4 standing moves to rebuild leg muscle with better control than lunges.

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?