Estimation of Heat Production Rate using Thermal Data During Exercise in Indoor Environments: A Study of Heat Storage Rate in Male Athletes

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dc.authoridAVCI, Ali Berkay/0000-0001-8291-4567
dc.contributor.authorBalci, Gorkem Aybars
dc.contributor.authorAvci, Ali Berkay
dc.contributor.authorColakoglu, Muzaffer
dc.contributor.authorBasaran, Tahsin
dc.date.accessioned2024-08-31T07:47:28Z
dc.date.available2024-08-31T07:47:28Z
dc.date.issued2024
dc.departmentEge Üniversitesien_US
dc.description.abstractThe increasing preference for indoor exercise spaces highlights the relationship between indoor thermal environments and physiological responses, particularly concerning thermal comfort during physical activity. Determining the metabolic heat production rate during exercise is essential for optimizing the thermal comfort, well-being, and performance of individuals engaged in physical activities. This value can be determined during the activity using several methods, including direct calorimetry measurement, indirect calorimetry that uses analysis of respiratory gases, or approximations using collected data such as speed, body mass, and heart rate. The study aimed to calculate the metabolic heat production rate by infrared thermal evaluation (ITE) based on the body's thermal balance approach and compare it with the values determined by indirect calorimetry (IC). Fourteen participants volunteered for the study, using a cycling ergometer in a controlled climatic chamber. After the familiarization sessions, maximal O-2 intake levels (VO2max) were determined through maximal graded exercise tests. Subsequently, constant work rate exercise tests were performed at 60% of VO2max for 20 min. The metabolic heat production rates were calculated by IC and ITE for each athlete individually. Respiratory gases were used to determine IC, while body skin and core temperatures, along with physical environmental data, were applied to calculate ITE using the human body thermal balance approximation of ASHRAE. According to the results, heat storage rates were misleading among the body's heat transfer modes, particularly during the first 8 min of the exercise. ITE showed a moderate level of correlation with IC (r: 0.03-0.86) with a higher level of dispersion relative to the mean (CV%: 12-84%). Therefore, a new equation (ITEnew) for the heat storage rates was proposed using the experimental data from this study. The results showed that ITEnew provided more precise estimations for the entire exercise period (p > 0.05). Correlations between ITEnew and IC values were consistently strong throughout the exercise period (r: 0.62-0.85). It can be suggested that ITEnew values can predict IC during the constant work rate steady-state exercise.en_US
dc.description.sponsorshipEge University Research Foundation [EGE.BAP-10]; Ege University, Scientific Research Projects Fund [number122M883]; Scientific and Technological Research Council of Turkey (TUBITAK) Foundationen_US
dc.description.sponsorshipThis study was financially supported by Ege University, Scientific Research Projects Fund under grant number EGE.BAP-10.BESYO.003, and by the Scientific and Technological Research Council of Turkey (TUBITAK) Foundation under grant number122M883.en_US
dc.identifier.doi10.1007/s00484-024-02648-y
dc.identifier.endpage1122en_US
dc.identifier.issn0020-7128
dc.identifier.issn1432-1254
dc.identifier.issue6en_US
dc.identifier.pmid38488867en_US
dc.identifier.scopus2-s2.0-85187926747en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1109en_US
dc.identifier.urihttps://doi.org/10.1007/s00484-024-02648-y
dc.identifier.urihttps://hdl.handle.net/11454/104422
dc.identifier.volume68en_US
dc.identifier.wosWOS:001185754800003en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofInternational Journal of Biometeorologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz20240831_Uen_US
dc.subjectBody Heat Storageen_US
dc.subjectBody Thermal Balanceen_US
dc.subjectExerciseen_US
dc.subjectInfrared Thermographyen_US
dc.subjectThermoregulationen_US
dc.titleEstimation of Heat Production Rate using Thermal Data During Exercise in Indoor Environments: A Study of Heat Storage Rate in Male Athletesen_US
dc.typeArticleen_US

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