Importance of dimensional changes on glycolytic metabolism during growth
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ORIGINAL ARTICLE
Importance of dimensional changes on glycolytic metabolism during growth Allison Diry1,2 · Sébastien Ratel3 · Joffrey Bardin2 · Neil Armstrong4 · Quentin De Larochelambert5 · Claire Thomas6 · Hugo Maciejewski1,6 Received: 3 April 2020 / Accepted: 10 July 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Purpose The aim of the present study was to investigate (i) how glycolytic metabolism assessed by accumulated oxygen deficit (AODgly) and blood metabolic responses (lactate and pH) resulting from high-intensity exercise change during growth, and (ii) how lean body mass (LBM) influences AODgly and its relationship with blood markers. Methods Thirty-six 11- to 17-year olds performed a 60-s all-out test on a rowing ergometer. Allometric modelling was used to investigate the influence of LBM and LBM + maturity offset (MO) on A ODgly and its relationship with the extreme postexercise blood values of lactate ([La]max) and pH (pHmin) obtained during the recovery period. Results AODgly and [La]max increased while pHmin decreased linearly with LBM and MO (r2 = 0.46 to 0.72, p
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