Ventilatory efficiency during constant-load test at lactate threshold intensity: endurance versus resistance exercises
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- dc.contributor.author Albesa-Albiol, Lluis
- dc.contributor.author Serra-Payá, Noemí
- dc.contributor.author Garnacho-Castaño, María Ana
- dc.contributor.author Guirao Cano, Lluis
- dc.contributor.author Pleguezuelos Cobo, Eulogio
- dc.contributor.author Maté-Muñoz, José Luis
- dc.contributor.author Garnacho-Castaño, Manuel V.
- dc.date.accessioned 2023-01-24T09:43:52Z
- dc.date.available 2023-01-24T09:43:52Z
- dc.date.issued 2019
- dc.description.abstract There is a lack of evidence about the ventilatory efficiency in resistance exercises despite the key role played in endurance exercises. This study aimed to compare the cardiorespiratory, metabolic responses and ventilatory efficiency between half-squat (HS) and cycle ergometer exercises during a constant-load test at the lactate threshold (LT) intensity. Eighteen healthy male participants were randomly assigned in a crossover design to carry out HS or cycle ergometer tests. For the three HS tests, a one repetition maximum (1RM) test was performed first to determine the load (kg) corresponding to the 1RM percentages. In the second test, the incremental HS exercise was carried out to establish the load (kg) at the LT intensity. Finally, a constant-load HS test was performed at the LT intensity. The first cycle ergometer test was incremental loading to determine the intensity in watts corresponding to the LT, followed by a constant-load test at the LT intensity. A recovery time of 48 hours between each test was established. During both constant-load test, cardiorespiratory and metabolic responses were monitored. A significant exercise mode x time interaction effect was only detected in oxygen uptake (VO2), heart rate, and blood lactate (p < 0.001). No differences were found between the two types of exercise in ventilatory efficiency (p >0.05). Ventilation (VE) and carbon dioxide were highly correlated (p <0.001) in the cycle ergometer (r = 0.892) and HS (r = 0.915) exercises. In the VO2 efficiency slope (OUES), similarly significant and high correlations (p <0.001) were found between VO2 and log10 VE in the cycle ergometer (r = 0.875) and in the HS (r = 0.853) exercise. Although the cardioventilatory responses were greater in the cycle ergometer test as compared to HS exercise, ventilatory efficiency was very similar between the two exercise modalities in a predominantly aerobic metabolism.
- dc.format.mimetype application/pdf
- dc.identifier.citation Albesa-Albiol L, Serra-Payá N, Garnacho-Castaño MA, Guirao L, Pleguezuelos E, Maté-Muñoz JL, et al. Ventilatory efficiency during constant-load test at lactate threshold intensity: endurance versus resistance exercises. PLoS ONE. 2019 May 21;14(5):e0216824. DOI: 10.1371/journal.pone.0216824
- dc.identifier.doi http://dx.doi.org/10.1371/journal.pone.0216824
- dc.identifier.issn 1932-6203
- dc.identifier.uri http://hdl.handle.net/10230/55421
- dc.language.iso eng
- dc.publisher Public Library of Science (PLoS)
- dc.relation.ispartof PLoS ONE. 2019 May 21;14(5):e0216824
- dc.rights © 2019 Albesa-Albiol et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
- dc.rights.accessRights info:eu-repo/semantics/openAccess
- dc.rights.uri http://creativecommons.org/licenses/by/4.0/
- dc.subject.keyword Exercise
- dc.subject.keyword Strength training
- dc.subject.keyword Blood
- dc.subject.keyword Heart rate
- dc.subject.keyword Oxygen
- dc.subject.keyword Physical fitness
- dc.subject.keyword Carbon dioxide
- dc.subject.keyword Knees
- dc.title Ventilatory efficiency during constant-load test at lactate threshold intensity: endurance versus resistance exercises
- dc.type info:eu-repo/semantics/article
- dc.type.version info:eu-repo/semantics/publishedVersion