The New Plan for Powerful Legs

Any properly executed squat, however, may be a more effective muscle builder than all other exercises combined. It requires the synchronized recruitment of muscle fibers throughout your body. And because squatting is one of the most natural human movements, like walking or using the remote, it's perfectly safe. And new research shows that squats burn up to three times as many calories as previously thought. So it's a powerful fat-burning tool as well.

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Named for the way in which you hold the weight--in front of your chest, with your hands cupped--the goblet squat may in fact be the only squat you need in your workout.