Evidence map›Paper›PMID 32522222›Full record

ArticleJournal of the International Society of Sports Nutrition2020

Dietary restrictions in endurance runners to mitigate exercise-induced gastrointestinal symptoms.

Jill A Parnell, Kim Wagner-Jones, Robyn F Madden, Kelly Anne Erdman

Registry-linked trialOpen access · goldAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Journal of the International Society of Sports Nutrition, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05855174 (Protein and Exercise-Induced Gastrointestinal Symptoms), which is not on this map. Cited by 21 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 3 pooled it
2.2field-weighted citation impact, top 13% of its field
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.

NCT05855174 nacompletednot on this map

Protein and Exercise-Induced Gastrointestinal Symptoms

TypeinterventionalSponsorMount Royal UniversityRan2019 to 2023Enrolled13ConditionsGastro-Intestinal DisorderArmsWhey protein
3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 3 syntheses or guidelines pooled it, 41 citations in OpenAlex.

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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

4 authors at 3 institutions in 2 countries.

Jill A ParnellDepartment of Health and Physical Education, Mount Royal University, 4825 Mount Royal Gate SW, Calgary, Alberta, T3E 6K6, Canada. jparnell@mtroyal.ca.ORCID http://orcid.org/0000-0002-2936-0558
Kim Wagner-JonesHelios Wellness Centres, Teaching, Research, Wellness Building, Suite 402, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada.
Robyn F MaddenFaculty of Kinesiology, 2500 University Drive NW, University of Calgary, Calgary, Alberta, T2N 1N4, Canada.
Kelly Anne ErdmanUniversity of Calgary, Sports Medicine Centre, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada.
University of Calgary · CACalifornia Wellness Foundation · USMount Royal University · CA

Funding

Mount Royal University Innovation Fund
6 · The paper itself

Abstract

backgroundEndurance runners frequently experience exercise-induced gastrointestinal (GI) symptoms, negatively impacting their performance. Food choices pre-exercise have a significant impact on the gut's tolerance to running, yet little information is available as to which foods runners restrict prior to exercise.

methodsA questionnaire designed to assess dietary restrictions pre-racing and gastrointestinal symptoms was administered to 388 runners. Fisher's exact tests determined differences in gender, age, performance level, and distance with follow-up multivariable logistic regression modeling.

resultsRunners regularly avoided meat (32%), milk products (31%), fish/seafood (28%), poultry (24%), and high-fiber foods (23%). Caffeinated beverages were commonly avoided in events 10 km or less (p < .001); whereas in females, increased running distance was a predictor of avoiding high-fiber foods (OR = 6.7; 95% CI = 1.6-28.5). Rates of food avoidance were elevated in younger and more competitive runners. Common GI symptoms included stomach pain/cramps (42%), intestinal pain/discomfort (23%), side ache/stitch (22%), urge to defecate (22%), and bloating (20%). The prevalence of GI symptoms was higher in younger athletes, especially females, which may explain their propensity to avoid foods. Lower recreational athletes were the least likely to report GI symptoms. Diarrhea incidence increased with running distance.

conclusionsIdentification of voluntary food restrictions in the pre-running meal highlights trends that can direct further research.

Indexed as

DietPhysical EnduranceRunningAdolescentAdultFemaleGastrointestinal DiseasesHumansMaleMiddle AgedSurveys and QuestionnairesYoung AdultDietary restrictionsExercise-induced gastrointestinal symptomsFood intolerancesGastrointestinal tolerancePre-exercise mealRunner’s gutRunning

Identifiers

PMID32522222
PMCPMC7288429
OpenAlexW3032936176

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.