HomeTag 80:20 Rule

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  May 1 marks the symbolic start of the annual training cycle for many year-round nordic skiers. With that in mind, we recently spoke with Stephen Seiler. A Texas native, Seiler, 51, is a professor of sports science at the University of Adger in Kristiansand, Norway. Seiler has researched, written and spoken extensively about physiological adaptations as it relates to endurance athletes. Seiler’s mantra — the 80/20 Rule — the easy to hard intensity ratio when it comes...