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How to Maintain Your Fitness Levels
There are four components to improving your Vio2 Max. Zone two training is what it's easy running when you go out and run at a conversational pace, heart rate between 70 and 85 percent of your max. In addition to zone two, he says do it once or twice per week. And elderly people can improve by 13% in just eight to 10 weeks of training or 17% in six months to a year.