Well: How to Get Fit in a Few Minutes a Week
A few sessions per week of 30- or 60-second intervals so strenuous you moan, followed by a minute or so of blessed recovery, and a painful repetition ...
Source: http://well.blogs.nytimes.com/2014/02/26/how-to-get-fit-in-a-few-minutes-a-week/?partner=rss&emc=rss
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