Four minutes. That’s all you need to get fit and fight fat. Don’t believe The Tabata Protocol, named after Japanese scientist Izumi Tabata, is based on his research with male college athletes. He found that when the guys did seven or eight blocks of 20-second sprints separated by 10-second rests, five days a week for six weeks, they boosted their aerobic fitness a whopping 14 per cent. So, when it comes to fitness, less is more.
