Because 7 Minutes Was Too Much for You Candy Ass Sissies
June 19, 2013 9:56 AM Subscribe
Well, all you lazy butt people who couldn't manage 7 minutes, here's hope. Norwegian researchers have discovered an even shorter and effective workout. Straight off the heels of the 7-minute workout (which really was more of a 21 minute workout), the 4-minute program (but designed to be done 4 times, so 16 minutes of HIIT total) is said to contain the minimum amount of exercise required to develop appreciable endurance and health gains.
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