It's even more effective than traditional strength training.

From Pilates to plyometrics, these short-and-sweet leg workout videos will change the way you feel about leg day. What’s more, if you are pushing your leg muscles, your “time under tension” (or the ...

Contrary to what you may think, you don't need heavy weights to build leg strength. While a set of dumbbells can be a helpful tool while training, it's also possible to strengthen your quads, calves, ...

If you've been working out for a few years, you may want to make workouts more complicated to see results. Functional fitness ...

Leg day is a staple in any well-rounded workout routine. And while many people make it a priority for a peachier backside or toned calves, strong legs are essential for reasons beyond aesthetics. In ...

The jumping jack is an effective way to stimulate all the vital muscles of your body. It is a full-body exercise used in cardio and warm-up sessions. Jumping jacks include resistance and aerobic ...

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 KEY TO building a strong, symmetrical physique comes down to focusing on body parts most people neglect. One spot typically overlooked (and improperly trained) than others: the calf muscles. If ...

Certain exercises, including squats and deadlifts, may help strengthen and tone your legs. Increasing sets and reps may help. Strong legs do more than look good. Even the simplest daily movements, ...

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?