Thanks to the internet, you don't have to join a gym or subscribe to a billion fitness magazines to get fit.




















Set a timer for 40 rounds of 30 seconds of work and 10 seconds of rest. Go through the sequence five times.





According to The New York Times, this is the "scientific 7-minute workout" that maximizes the benefits of interval training in the shortest amount of time.



Original article and pictures take www.buzzfeed.com site
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