Just 12 Minutes A Week Of High-Intensity Training Improves Fitness In Inactive Men

It is a commonly held perception that getting in shape and staying there requires hard work and hours upon hours of training. New research shows the opposite - it seems that only four minutes of vigorous activity three times per week is enough to be fit and healthy. Regular training improves maximal oxygen uptake (VO2max), which is a well-established measure of physical fitness...