Another simple, yet effective way to raise the number of calories you burn is to warm up before you start a workout. Take a brisk walk or do some light stretching before you begin your session in order to get blood flowing to your muscles and increase your core temperature. This will allow them to perform at their peak and burn even more calories. In addition to the standard calorie-burning cardio exercises, don't forget about resistance training. The more muscles you use during an exercise, the more calories you'll burn and the better your body will look.Actually it is not the length of time, but the intensity of the activity is important. Be it cardio or strength training, the activity should be intense. In cardio, the heart rate should reach 80-85% of the maximum for 30-40 minutes.
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