Evidence map›Paper›PMID 30128853›Full record

Trial reportEuropean journal of applied physiology2018

L-Menthol mouth rinse or ice slurry ingestion during the latter stages of exercise in the heat provide a novel stimulus to enhance performance despite elevation in mean body temperature.

Owen Jeffries, Matthew Goldsmith, Mark Waldron

Abstract readRandomized Controlled Trial
PubMed Full text at PMC Publisher
In one paragraph

Trial report in European journal of applied physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 8 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 8 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

28 citing papers in PubMed, 8 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

3 authors.

Owen JeffriesSchool of Biomedical Sciences, Faculty of Medical Sciences, Newcastle University, Cookson Building, Newcastle upon Tyne, NE2 4HH, UK. Owen.Jeffries@newcastle.ac.uk.ORCID http://orcid.org/0000-0002-8169-1100
Matthew GoldsmithSchool of Sport, Health and Applied Science, St Mary's University, London, UK.
Mark WaldronSchool of Sport, Health and Applied Science, St Mary's University, London, UK.ORCID http://orcid.org/0000-0002-2720-4615

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study investigated the effects of L-menthol mouth rinse and ice slurry ingestion on time to exhaustion, when administered at the latter stages (~ 85%) of baseline exercise duration in the heat (35 °C).

methodTen male participants performed four time to exhaustion (TTE) trials on a cycle ergometer at 70% W

resultsFrom the point of administration at 85% of baseline TTE, exercise time was extended by 1% (placebo, 15 s), 6% (L-menthol, 82 s) and 7% (ice, 108 s), relative to baseline performance (P = 0.036), with no difference between L-menthol and ice (P > 0.05). Core temperature, skin temperature, and heart rate increased with time but did not differ between conditions (P > 0.05). Thermal sensation did not differ significantly but demonstrated a large effect size (P = 0.080; [Formula: see text] = 0.260).

conclusionThese results indicate that both thermally cooling and non-thermally cooling oral stimuli have an equal and immediate behavioral, rather than physiological, influence on exhaustive exercise in the heat.

Indexed as

IceAdultAthletic PerformanceBody TemperatureBody Temperature RegulationCross-Over StudiesExerciseHot TemperatureHumansMaleMentholMouthwashesPhysical ExertionYoung AdultIceMentholMouthwashesHeatIce slurryMentholPerceptionThermoregulationTTE

Identifiers

PMID30128853
PMCPMC6182327

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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.