The debate on Threshold vs Polarization training goes on. What I see here is that if you increase your training load by 20% and include heavy weight lifting you create greater stress and more adaptations. The next step would be to test both groups with similar workloads. I do all the research so you don’t have to.
A Scientific Approach to Improve Physiological Capacity of an Elite Cyclist
A Scientific Approach to Improve Physiological Capacity of an Elite Cyclist
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A Scientific Approach to Improve Physiological Capacity of an Elite Cyclist