HIIT: What's the HI in IT?
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.
from Breaking Muscle http://bit.ly/2QvqVBY
HIIT: What's the HI in IT?
Reviewed by Health And Fitness
on
January 11, 2019
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