Joe is a distance runner, and at the beginning of the cross country season he had a VO2max test and muscle biopsy. At the end of the season, his VO2max increased by 15%, and SDH content increased by 90%. Joe’s marathon pace increased by 30%. Why does performance increase by more than 15%?

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Joe is a distance runner, and at the beginning of the cross country season he had a VO2max test and muscle biopsy. At the end of the season, his VO2max increased by 15%, and SDH content increased by 90%. Joe’s marathon pace increased by 30%. Why does performance increase by more than 15%? 

 

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Joe’s performance increase can be attributed to multiple factors working together. The individual improvements in VO2max (15%) and SDH content (90%) are important components. However, the overall performance gain is not a simple additive combination of these percentages due to various physiological and training-related reasons.

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