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Effect of ambient temperature on fat oxidation during an incremental cycling exercise test
dc.contributor.author | Ruiz-Moreno, Carlos | |
dc.contributor.author | Gutiérrez-Hellín, Jorge | |
dc.contributor.author | González-García, Jaime | |
dc.contributor.author | Brito de Souza, Diego | |
dc.contributor.author | Del Coso, J. | |
dc.date.accessioned | 2024-01-30T18:24:54Z | |
dc.date.available | 2024-01-30T18:24:54Z | |
dc.date.issued | 2021 | |
dc.identifier.citation | Ruíz-Moreno, C., Gutiérrez-Hellín, J., González-García, J., GiráLdez-Costas, V., Brito de Souza, D., & Del Coso, J. (2021). Effect of ambient temperature on fat oxidation during an incremental cycling exercise test. European journal of sport science, 21(8), 1140–1147. https://doi.org/10.1080/17461391.2020.1809715 | es |
dc.identifier.issn | 1536-7290 | |
dc.identifier.other | https://www.tandfonline.com/doi/abs/10.1080/17461391.2020.1809715 | es |
dc.identifier.other | https://pubmed.ncbi.nlm.nih.gov/32781920/ | es |
dc.identifier.uri | http://hdl.handle.net/20.500.12020/1126 | |
dc.description.abstract | Aim: The objective of this current research was to compare fat oxidation rates during an incremental cycling exercise test in a temperate vs. hot environment. Methods: Twelve healthy young participants were recruited for a randomised crossover experimental design. Each participant performed a VO2max test in a thermoneutral environment followed by two cycling ramp test trials, one in a temperate environment (18.3°C) and another in a hot environment (36.3°C). The ramp test consisted of 3-min stages of increasing intensity (+10% of VO2max) while gas exchange, heart rate and perceived exertion were measured. Results: During exercise, there was a main effect of the environment temperature on fat oxidation rate (F = 9.35, P = 0.014). The rate of fat oxidation was lower in the heat at 30% VO2max (0.42 ± 0.15 vs.0.37 ± 0.13 g/min; P = 0.042), 60% VO2max (0.37 ± 0.27 vs.0.23 ± 0.23 g/min; P = 0.018) and 70% VO2max (0.22 ± 0.26 vs.0.12 ± 0.26 g/min; P = 0.007). In addition, there was a tendency for a lower maximal fat oxidation rate in the heat (0.55 ± 0.2 vs.0.48 ± 0.2 g/min; P = 0.052) and it occurred at a lower exercise intensity (44 ± 14 vs.38% ± 8% VO2max; P = 0.004). The total amount of fat oxidised was lower in the heat (5.8 ± 2.6 vs 4.6 ± 2.8 g; P = 0.002). The ambient temperature also produced main effects on heart rate (F = 15.18, P = 0.005) and tympanic temperature (F = 25.23, P = 0.001) with no effect on energy expenditure (F = 0.01, P = 0.945). Conclusion: A hot environment notably reduced fat oxidation rates during a ramp exercise test. Exercising in the heat should not be recommended for those individuals seeking to increase fat oxidation during exercise. | es |
dc.language.iso | en | es |
dc.publisher | Routledge | es |
dc.title | Effect of ambient temperature on fat oxidation during an incremental cycling exercise test | es |
dc.type | article | es |
dc.identifier.doi | https://doi.org/10.1080/17461391.2020.1809715 | |
dc.issue.number | 8 | es |
dc.journal.title | European Journal of Sport Science | es |
dc.page.initial | 1140 | es |
dc.page.final | 1147 | es |
dc.rights.accessRights | embargoedAccess | es |
dc.subject.area | Ciencias Biomédicas | es |
dc.subject.keyword | Adiposity | es |
dc.subject.keyword | Indirect Calorimetry | es |
dc.subject.keyword | Body Temperature | es |
dc.subject.keyword | Substrate oxidation | es |
dc.subject.keyword | Body Fat Loss | es |
dc.subject.unesco | 32 Ciencias Médicas | es |
dc.volume.number | 21 | es |
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