Trial reportEuropean journal of applied physiology2019
No ergogenic effects of a 10-day combined heat and hypoxic acclimation on aerobic performance in normoxic thermoneutral or hot conditions.
Trial report in European journal of applied physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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
9 citing papers in PubMed, 2 syntheses or guidelines pooled it, 16 citations in OpenAlex.
- Performance changes during and post-exercise in combined heat and hypoxia environments: a systematic review and network meta analysis.Journal of translational medicine · 2026Pooled it
- Effects of Heat Acclimation and Acclimatisation on Maximal Aerobic Capacity Compared to Exercise Alone in Both Thermoneutral and Hot Environments: A Meta-Analysis and Meta-Regression.Sports medicine (Auckland, N.Z.) · 2021Pooled it
- Common and Divergent Physiological Responses to Hypoxia and Heat.Sports medicine (Auckland, N.Z.) · 2026Review
- The 2026 Men's FIFA Football World Cup: Evidence-Based Guidelines to Protect Player Health and Performance from Environmental Challenges.Sports medicine (Auckland, N.Z.) · 2026Review
- Human metabolic heat production under varying atmospheric and oxygen pressures during submaximal cycling.iScience · 2026Article
- Effects of concurrent heat and hypoxic training on cycling anaerobic capacity in men.Scientific reports · 2024Article
- High-level performances following low altitude training and tapering in warm environments in elite racewalkers.European journal of sport science · 2024Article
- Heat acclimation enhances the cold-induced vasodilation response.European journal of applied physiology · 2021Article
- Aerobic but not thermoregulatory gains following a 10-day moderate-intensity training protocol are fitness level dependent: A cross-adaptation perspective.Physiological reports · 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
5 authors at 2 institutions in 2 countries.
Funding
Abstract
purposeHypoxic acclimation enhances convective oxygen delivery to the muscles. Heat acclimation-elicited thermoregulatory benefits have been suggested not to be negated by adding daily exposure to hypoxia. Whether concomitant acclimation to both heat and hypoxia offers a synergistic enhancement of aerobic performance in thermoneutral or hot conditions remains unresolved.
methodsEight young males ([Formula: see text]: 51.6 ± 4.6 mL min
results[Formula: see text] and ventilatory thresholds were not modified in any environment following acclimation. W DISCUSSION: A 10-day combined heat and hypoxic acclimation conferred only minor benefits in aerobic performance and thermoregulation in thermoneutral or hot conditions. Thus, adoption of such a protocol does not seem warranted.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.