Build Muscle, Burn Calories: Do-Anywhere Cardio-and-Strength Combo

There are no excuses for skipping this 20-minute workout; it requires no equipment, so no matter where you are, you can fit in a sweat session. Quick and effective, today’s workout in our Better-Body Challenge mixes classic cardio moves with bodyweight strength-training exercises to burn calories and build muscle. Print the workout, learn the moves…