HIIT: What's the HI in IT?

They say the carryover for the benefits of HIIT is up to 39 hours after one session of training, something none of us can afford to miss.

In the fitness community there are always things that come and go. The key to success is learning the difference between those things that are trends or fads. Trends are usually longer lasting and usually have some validity within the research community.

 

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from Breaking Muscle http://bit.ly/2CTOuRj
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