Evidence map›Paper›PMID 26842928›Full record

ArticleEuropean journal of applied physiology2016

Effects of solar radiation on endurance exercise capacity in a hot environment.

Hidenori Otani, Mitsuharu Kaya, Akira Tamaki, Phillip Watson, Ronald J Maughan

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Article in European journal of applied physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Hidenori OtaniFaculty of Health Care Sciences, Himeji Dokkyo University, 7-2-1 Kamiono, Himeji, Hyogo, 670-8524, Japan. hotani@himeji-du.ac.jp.
Mitsuharu KayaHyogo University of Health Sciences, Kobe, Hyogo, Japan.
Akira TamakiHyogo University of Health Sciences, Kobe, Hyogo, Japan.
Phillip WatsonDepartment of Human Physiology, Vrije Universiteit Brussel, Brussels, Belgium.
Ronald J MaughanSchool of Sport, Exercise and Health Sciences, Loughborough University, Leicestershire, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe present study investigated the effects of variations in solar radiation on endurance exercise capacity and thermoregulatory responses in a hot environment.

methodsEight male volunteers performed four cycle exercise trials at 70 % maximum oxygen uptake until exhaustion in an environmental chamber maintained at 30 °C and 50 % relative humidity. Volunteers were tested under four solar radiation conditions: 800, 500, 250 and 0 W/m(2).

resultsExercise time to exhaustion was less on the 800 W/m(2) trial (23 ± 4 min) than on all the other trials (500 W/m(2) 30 ± 7 min; P < 0.05, 250 W/m(2) 43 ± 10 min; P < 0.001, 0 W/m(2) 46 ± 10 min; P < 0.001), and on the 500 W/m(2) trial than the 250 W/m(2) (P < 0.05) and 0 W/m(2) (P < 0.01) trials. There were no differences in core (rectal) temperature, total sweat loss, heart rate, skin blood flow, cutaneous vascular conductance and percentage changes in plasma volume between trials (P > 0.05). Mean skin temperature was higher on the 800 W/m(2) trial than the 250 and 0 W/m(2) trials (P < 0.05), and on the 500 W/m(2) trial than the 0 W/m(2) trial (P < 0.05). The core-to-skin temperature gradient was narrower on the 800 W/m(2) trial than the 250 and 0 W/m(2) trials (P < 0.05).

conclusionThe present study demonstrates that endurance exercise capacity in a hot environment falls progressively as solar radiation increases.

Indexed as

Hot TemperatureAdultAnaerobic ThresholdBody Temperature RegulationExerciseHemodynamicsHumansMaleRandom AllocationSunlightCore temperatureFatigueHeat stressSkin temperatureSunlightThermoregulation

Identifiers

PMID26842928

What OpenQuestion holds

Textmetadata
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Registered trials

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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.