Der Wirkungsgrad von Training

Der Wirkungsgrad von Training

The hypotheses that a) a positive correlation between running oxygen uptake (VO2run) and peak oxygen uptake (VO2peak) is caused by a higher caloric equivalent and/or more reliance on anaerobic metabolic energy in subjects with lower VO2peak and that b) the energy cost per meter increases with relati...

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Autores principales: Beneke R, Leithäuser RM
Formato: article
Lenguaje:DE
EN
Publicado: Dynamic Media Sales Verlag 2017
Materias:
Sports medicine
RC1200-1245
Acceso en línea:https://doaj.org/article/41e70890bc1d42f6b0a326cee0513bd7
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spelling oai:doaj.org-article:41e70890bc1d42f6b0a326cee0513bd72021-11-16T19:01:41ZDer Wirkungsgrad von Training0344-59252510-526410.5960/dzsm.2017.296https://doaj.org/article/41e70890bc1d42f6b0a326cee0513bd72017-09-01T00:00:00Zhttps://www.germanjournalsportsmedicine.com/archive/archive-2017/issue-9/energy-cost-of-running-related-to-running-intensity-and-peak-oxygen-uptake/https://doaj.org/toc/0344-5925https://doaj.org/toc/2510-5264The hypotheses that a) a positive correlation between running oxygen uptake (VO2run) and peak oxygen uptake (VO2peak) is caused by a higher caloric equivalent and/or more reliance on anaerobic metabolic energy in subjects with lower VO2peak and that b) the energy cost per meter increases with relative intensity related to VO2peak were tested. Twenty-nine males (meanSD age: 24.42.7yrs; height: 179.05.6cm; body mass: 74.56.8kg; VO2peak: 51.55.2ml kg-1 min-1) ran at 2.6 and 3.0m s-1. VO2run, oxygen uptake per meter distance (CVO2), energy cost per meter distance based on respiratory measures and indirect calorimetry (CAER), and net increase in blood lactate concentration (CANAER), as well as total C (CTOT=CAER+CANAER) were analyzed. Ad a) VO2run and CVO2 were positively, and CANAER negatively interrelated with VO2peak (all p<0.05). CTOT was independent of VO2peak. Ad b) CVO2 was independent of relative intensity related to VO2peak, whilst CAER, CANAER and CTOT increased with relative intensity (all p<0.05). The frequently observedpositive interrelationship between VO2run and VO2peak reflects less aerobic carbohydrate combustion and less reliance on anaerobic glycolysis in fitter subjects with higher VO2peak. Additionally, running economy decreases with increasing relative intensity.KEY WORDS: Terrestrial Locomotion, Human, Speed, Aerobic, AnaerobicBeneke RLeithäuser RMDynamic Media Sales VerlagarticleSports medicineRC1200-1245DEENDeutsche Zeitschrift für Sportmedizin, Vol 68, Iss 9 (2017)
institution DOAJ
collection DOAJ
language DE
EN
topic Sports medicine
RC1200-1245
spellingShingle Sports medicine
RC1200-1245
Beneke R
Leithäuser RM
Der Wirkungsgrad von Training
description The hypotheses that a) a positive correlation between running oxygen uptake (VO2run) and peak oxygen uptake (VO2peak) is caused by a higher caloric equivalent and/or more reliance on anaerobic metabolic energy in subjects with lower VO2peak and that b) the energy cost per meter increases with relative intensity related to VO2peak were tested. Twenty-nine males (meanSD age: 24.42.7yrs; height: 179.05.6cm; body mass: 74.56.8kg; VO2peak: 51.55.2ml kg-1 min-1) ran at 2.6 and 3.0m s-1. VO2run, oxygen uptake per meter distance (CVO2), energy cost per meter distance based on respiratory measures and indirect calorimetry (CAER), and net increase in blood lactate concentration (CANAER), as well as total C (CTOT=CAER+CANAER) were analyzed. Ad a) VO2run and CVO2 were positively, and CANAER negatively interrelated with VO2peak (all p<0.05). CTOT was independent of VO2peak. Ad b) CVO2 was independent of relative intensity related to VO2peak, whilst CAER, CANAER and CTOT increased with relative intensity (all p<0.05). The frequently observedpositive interrelationship between VO2run and VO2peak reflects less aerobic carbohydrate combustion and less reliance on anaerobic glycolysis in fitter subjects with higher VO2peak. Additionally, running economy decreases with increasing relative intensity.KEY WORDS: Terrestrial Locomotion, Human, Speed, Aerobic, Anaerobic
format article
author Beneke R
Leithäuser RM
author_facet Beneke R
Leithäuser RM
author_sort Beneke R
title Der Wirkungsgrad von Training
title_short Der Wirkungsgrad von Training
title_full Der Wirkungsgrad von Training
title_fullStr Der Wirkungsgrad von Training
title_full_unstemmed Der Wirkungsgrad von Training
title_sort der wirkungsgrad von training
publisher Dynamic Media Sales Verlag
publishDate 2017
url https://doaj.org/article/41e70890bc1d42f6b0a326cee0513bd7
work_keys_str_mv AT beneker derwirkungsgradvontraining
AT leithauserrm derwirkungsgradvontraining
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