Hiit: What It Is and Why It Works by Prosence (English) Paperback Book
14,69 €
Do you wish to know more about High Intensity Interval Training?. However, there's a lot of misinformation going around about HIIT that misleads a lot of people into misapplying it and then fail to reach their fitness goals; it has convinced many others to eschew it for less effective training programs.
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