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Old December 7th 14, 01:22 PM posted to rec.skiing.nordic
Jon[_3_]
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Default Training polarization (Stephen Seiler)

I just watched the video a third time, this time stopping it to examine the charts. An interesting takeaway was one of the last studies examining polarized training in recreational athletes. Under the most favorable assumptions, 10k race time was improved by around 8% for polarized trainers compared with around 1% for threshold trainers.
Thing is they don't give a measure of weekly training hours, so it's hard to know just how "recreational" the runners are. (They just give total training hours for the period of the study.) The study appeared in a physiology journal that's fairly common among medical professionals--would anyone happen to have access to it who might be able to answer that question?
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