7 Minute Workout to lose weight fast, burn fat and tone your body br br The 7 Minute Workout is the training offered by a study at the McMaster University that showed that high-intensity 7-minute are sufficient for: br br - Burning fat more quickly br - Maximizing caloric consumption br - Training the muscles of the whole body, br - Improving health by reducing the risk of cardio vascular diseases such as heart attack and stroke.