Trial reportEuropean journal of applied physiology2011
Does summer in a humid continental climate elicit an acclimatization of human thermoregulatory responses?
Trial report in European journal of applied physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
26 citing papers in PubMed, 3 syntheses or guidelines pooled it, 54 citations in OpenAlex.
- Seasonal Heat Acclimatisation in Healthy Adults: A Systematic Review.Sports medicine (Auckland, N.Z.) · 2022Pooled it
- Sustainable solutions to mitigate occupational heat strain - an umbrella review of physiological effects and global health perspectives.Environmental health : a global access science source · 2020Pooled it
- Efficacy of Heat Mitigation Strategies on Core Temperature and Endurance Exercise: A Meta-Analysis.Frontiers in physiology · 2019Pooled it
- Hydrating with a higher-fructose sport drink does not worsen acute kidney injury risk during simulated work-related heat stress.American journal of physiology. Regulatory, integrative and comparative physiology · 2026Trial
- Sweat glands in action: the role of biological and environmental factors, exercise, and dermatologic conditions in sudomotor function.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2026Review
- Faecal microbiome, gastrointestinal integrity, inflammation and thermoregulation in recent exertional heat illness patients and matched controls.Experimental physiology · 2026Article
- Critical Assessment of the Recommended Alert Limit Curves for Occupational Heat Exposure.American journal of industrial medicine · 2025Article
- Influence of work intensity on acute kidney injury risk during simulated occupational heat stress.Journal of applied physiology (Bethesda, Md. : 1985) · 2025Article
- Creatinine clearance is maintained in a range of wet-bulb globe temperatures and work-rest ratios during simulated occupational heat stress.American journal of physiology. Renal physiology · 2024Article
- Shifting focus: Time to look beyond the classic physiological adaptations associated with human heat acclimation.Experimental physiology · 2024Review
- Elevations in sweat sodium concentration following ischemia-reperfusion injury during passive heat stress.Journal of applied physiology (Bethesda, Md. : 1985) · 2023Article
- Quantifying the impact of heat on human physical work capacity; part IV: interactions between work duration and heat stress severity.International journal of biometeorology · 2022Article
- Kidney injury risk during prolonged exposure to current and projected wet bulb temperatures occurring during extreme heat events in healthy young men.Journal of applied physiology (Bethesda, Md. : 1985) · 2022Article
- Ad libitum drinking prevents dehydration during physical work in the heat when adhering to occupational heat stress recommendations.Temperature (Austin, Tex.) · 2022Article
- Occupational heat strain in outdoor workers: A comprehensive review and meta-analysis.Temperature (Austin, Tex.) · 2022Review
- Simultaneous assessment of motor and cognitive tasks reveals reductions in working memory performance following exercise in the heat.Temperature (Austin, Tex.) · 2022Article
- Investigating age and regional effects on the relation between the incidence of heat-related ambulance transport and daily maximum temperature or WBGT.Environmental health and preventive medicine · 2021Article
- An advanced empirical model for quantifying the impact of heat and climate change on human physical work capacity.International journal of biometeorology · 2021Article
- Seasonal variation of temperature regulation: do thermoregulatory responses "spring" forward and "fall" back?International journal of biometeorology · 2020Article
- Human thermoregulation during prolonged exposure to warm and extremely humid environments expected to occur in disabled submarine scenarios.American journal of physiology. Regulatory, integrative and comparative physiology · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many thermal physiologists follow the conventional wisdom that physiological heat adaptations occur in the summer for people living in a humid continental climate (e.g. Central Canada, North-eastern and Mid-western United States and Eastern Europe); therefore experimentation across seasons is often avoided. However, since modern behavioral adaptations, such as air conditioning, are accessible and commonplace, it is not clear whether such physiological adjustments actually do occur. It was hypothesized that despite warm weather, residing in a humid continental climate throughout a summer will not elicit any significant physiological heat adaptations since the environmental stimulus for such adjustments will be mitigated by behavioral adaptations. Eight young healthy male volunteers cycled at 60% VO(2max) for 90-min in a temperate environment before (mid-May) and at the end of (start of September) summer. Core temperature [measured in the esophagus (T (es)), rectum (T (re)) and aural canal (T (au))], mean skin temperature (T (sk)), forearm skin blood flow (SkBf), upper back sweat rate (LSR) and heart rate (HR) were measured throughout exercise. Weekly activity logs and a lifestyle questionnaire were also administered throughout the summer months. No significant differences between pre- and end-summer were observed throughout exercise for T (es) (p = 0.565), T (re) (p = 0.350), T (au) (p = 0.261), T (sk) (p = 0.955), SkBf (p = 0.112), LSR (p = 0.394) or HR (p = 0.343). Likewise, the thermosensitivity and T (es) at the onset threshold for LSR (p = 0.177, p = 0.512) and SkBf (p = 0.805, p = 0.556) were also not significantly different. The apparent lack of heat acclimatization could be due to frequent air-conditioning use and an avoidance of outdoor activity during the hottest times of day but may also be due to a lack of environmental stimulus.
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Registered trials
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