A Comparison between Different Methods of Estimating Anaerobic Energy Production

Frontiers in Physiology
Erik P Andersson, Kerry McGawley

Abstract

Purpose: The present study aimed to compare four methods of estimating anaerobic energy production during supramaximal exercise.Methods:Twenty-one junior cross-country skiers competing at a national and/or international level were tested on a treadmill during uphill (7°) diagonal-stride (DS) roller-skiing. After a 4-minute warm-up, a 4 × 4-min continuous submaximal protocol was performed followed by a 600-m time trial (TT). For the maximal accumulated O2deficit (MAOD) method the [Formula: see text]O2-speed regression relationship was used to estimate the [Formula: see text]O2demand during the TT, either including (4+Y, method 1) or excluding (4-Y, method 2) a fixed Y-intercept for baseline [Formula: see text]O2. The gross efficiency (GE) method (method 3) involved calculating metabolic rate during the TT by dividing power output by submaximal GE, which was then converted to a [Formula: see text]O2demand. An alternative method based on submaximal energy cost (EC, method 4) was also used to estimate [Formula: see text]O2demand during the TT.Results:The GE/EC remained constant across the submaximal stages and the supramaximal TT was performed in 185 ± 24 s. The GE and EC methods produced identical [Formula: see text]O2demands and ...Continue Reading

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Citations

May 12, 2019·European Journal of Applied Physiology·Thomas Losnegard
Dec 22, 2020·Frontiers in Sports and Active Living·Erik P AnderssonNestor Lögdal
Jul 27, 2021·Frontiers in Sports and Active Living·Dionne A NoordhofØyvind B Sandbakk
Aug 24, 2021·Frontiers in Physiology·Erik P AnderssonKerry McGawley

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Software Mentioned

MAOD
Statistical Package for the Social Sciences ( SPSS

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