Spoiler Alert: You don’t need lots of fancy equipment to improve your fitness. It’s all about the burn! Fat burning, that is. By performing intervals of simple bodyweight movements at high intensity, you’ll increase your heart rate and sculpt your body all at the same time. So instead of skipping a workout if you’re short on time, check out DailyBurn trainer Anja Garcia’s easy fat-burning moves demonstrated in the video below. Here we go, high knees!