Fitness & Sports Medicine
Aim: The aim of the present study was to investigate the reactions of oxygen consumption (VO2), heart rate (HR) and lactate accumulation (La) when running on lower body positive pressure treadmills (LBPPT).Methods: 15 well-trained male athletes (VO2peak: 60.23.8ml kg-1 min-1) completed in randomized...
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Dynamic Media Sales Verlag
2020
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oai:doaj.org-article:b4c6648713d94ed7b7477b48c3e246cd2021-11-16T19:01:40ZFitness & Sports Medicine0344-59252510-526410.5960/dzsm.2019.405https://doaj.org/article/b4c6648713d94ed7b7477b48c3e246cd2020-01-01T00:00:00Zhttps://www.germanjournalsportsmedicine.com/archiv/archive-2020/issue-1/physiological-and-metabolic-reaction-to-lower-body-positive-pressure-treadmill-running/https://doaj.org/toc/0344-5925https://doaj.org/toc/2510-5264Aim: The aim of the present study was to investigate the reactions of oxygen consumption (VO2), heart rate (HR) and lactate accumulation (La) when running on lower body positive pressure treadmills (LBPPT).Methods: 15 well-trained male athletes (VO2peak: 60.23.8ml kg-1 min-1) completed in randomized order three analogous maximal incremental treadmill tests,recording spiroergometrical data using breath-by-breath analysis. Two tests were held on a LBPPT, with 80% and 60% body weight (80% BWSet and 60% BWSet), respectively. The third test was completed on a conventional treadmill (100% BWSet).Results: Average of all running speed stages from 10 to 18 kmh-1, VO2 decreased significantly from 48.18.4 via 39.76.8 to 33.57.3ml kg-1 min-1 at 100%, 80% and 60% BWSet (p<0.001). HR was on average 15 bpm and 27 bpm lower at 80% and 60% BWSetcompared to 100% BWSet (p<0.001), while La decreased from 2.52.3 via 1.51.1 to 1.10.5 mmol l-1 (p<0.001). Conclusion: VO2, HR and La are clearly changed by LBPPT running. Furthermore, regression analyses showed that training at a fixed VO2stimulus leads to higher lactate values on the LBPPT compared to the conventional treadmill, which may indicate a change in energy contributions.KEY WORDS: AlterG, Hypogravity, LBPPT, Anti-Gravity, Oxygen ConsumptionFleckenstein DUeberschär OWüstenfeld JCWolfarth BDynamic Media Sales VerlagarticleSports medicineRC1200-1245DEENDeutsche Zeitschrift für Sportmedizin, Vol 71, Iss 1 (2020) |
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DOAJ |
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DOAJ |
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DE EN |
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Sports medicine RC1200-1245 |
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Sports medicine RC1200-1245 Fleckenstein D Ueberschär O Wüstenfeld JC Wolfarth B Fitness & Sports Medicine |
| description |
Aim: The aim of the present study was to investigate the reactions of oxygen consumption (VO2), heart rate (HR) and lactate accumulation (La) when running on lower body positive pressure treadmills (LBPPT).Methods: 15 well-trained male athletes (VO2peak: 60.23.8ml kg-1 min-1) completed in randomized order three analogous maximal incremental treadmill tests,recording spiroergometrical data using breath-by-breath analysis. Two tests were held on a LBPPT, with 80% and 60% body weight (80% BWSet and 60% BWSet), respectively. The third test was completed on a conventional treadmill (100% BWSet).Results: Average of all running speed stages from 10 to 18 kmh-1, VO2 decreased significantly from 48.18.4 via 39.76.8 to 33.57.3ml kg-1 min-1 at 100%, 80% and 60% BWSet (p<0.001). HR was on average 15 bpm and 27 bpm lower at 80% and 60% BWSetcompared to 100% BWSet (p<0.001), while La decreased from 2.52.3 via 1.51.1 to 1.10.5 mmol l-1 (p<0.001). Conclusion: VO2, HR and La are clearly changed by LBPPT running. Furthermore, regression analyses showed that training at a fixed VO2stimulus leads to higher lactate values on the LBPPT compared to the conventional treadmill, which may indicate a change in energy contributions.KEY WORDS: AlterG, Hypogravity, LBPPT, Anti-Gravity, Oxygen Consumption |
| format |
article |
| author |
Fleckenstein D Ueberschär O Wüstenfeld JC Wolfarth B |
| author_facet |
Fleckenstein D Ueberschär O Wüstenfeld JC Wolfarth B |
| author_sort |
Fleckenstein D |
| title |
Fitness & Sports Medicine |
| title_short |
Fitness & Sports Medicine |
| title_full |
Fitness & Sports Medicine |
| title_fullStr |
Fitness & Sports Medicine |
| title_full_unstemmed |
Fitness & Sports Medicine |
| title_sort |
fitness & sports medicine |
| publisher |
Dynamic Media Sales Verlag |
| publishDate |
2020 |
| url |
https://doaj.org/article/b4c6648713d94ed7b7477b48c3e246cd |
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AT fleckensteind fitnessampsportsmedicine AT ueberscharo fitnessampsportsmedicine AT wustenfeldjc fitnessampsportsmedicine AT wolfarthb fitnessampsportsmedicine |
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