anytime, anyplace 20-minute program We all want to be fit and healthy, but few of us have the time or inclination to log the countless hours in the gym it takes to sculpt a physique on par with the Hollywood elite. Enter Jay Cardiello's Cardio Core 4x4, which shows you that your body can be your gym. Cardiello tailored this program for his tight-on-time celebrity clients, but you don't have to be a celebrity to get these kinds of results. Cardio Core 4x4 provides a program that requires only 20 minutes—which includes both the cardio and core workouts—and it's equipment-free, enabling readers to train whenever and wherever they can. Cardiello offers a dynamic approach with a series of specific movements for a well-toned core. His fit tips provide readers with bite-sized takeaways for optimal nutrition and total health. Cardio Core 4x4 is an excuse proof, surefire fitness package.

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