Effect of moderate exercise on bowel habit.
Open accessAbstract
Ten healthy volunteers (six men and four women, aged 22-41 years) were studied in a crossover trial. The study was divided into three one week periods. During each period the subjects either ran on a treadmill, cycled on a bicycle ergometer, or rested in a chair for 1 hour every day. The exercise was performed at two thirds predicted maximum heart rate (equivalent to 50% VO2 max). The sequences were rotated; no studies were performed in the perimenstrual period. Transit was measured by the method of measuring the excretion of a single dose of radio-opaque markers; all stools were collected, weighed, and x rayed after the ingestion of radio-opaque markers. Dietary fibre and fluid intake were measured on the fourth day of each test period by 24 hour record. Lifestyle was otherwise unchanged. Transit time was dramatically accelerated by moderate exercise (both jogging and cycling); however, stool weight, defecation frequency, dietary fibre intake, and fluid intake did not change significantly. Whole gut transit changed from 51.2 hours (95% confidence intervals 41.9 to 60.5) at rest to 36.6 hours (31.6 to 39.2) when riding and 34.0 hours (28.8 to 39.2) when jogging. Riding and running both differed significantly from resting (p less than 0.01); the difference between riding and running was not significant.
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Repeated bouts of aerobic exercise can increase GI transit time in healthy individuals and middle-aged patients with chronic constipation.
“Repeated bouts of aerobic exercise can increase GI transit time in healthy individuals and middle-aged patients with chronic constipation [118–120].”
From The athletic gut microbiota (2020) · cites this paper as [120]
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- Authors
- Oettlé, G. J.
- Affiliations
- University of the Witwatersrand (ZA)
- Corresponding author
- Oettlé, G J
- Venue
- Gut
- Publisher
- BMJ
- Published
- 1991-08
- Volume
- 32
- Issue
- 8
- Pages
- 941-944
- ISSN
- 0017-5749 (ISSN-L)
- 1468-3288
- PMC
- PMC1378967
- OpenAlex
- W2106176275
- Cited by
- 211
- References
- 42
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 9 · 2023: 6 · 2022: 7 · 2021: 7 · 2020: 1 · 2019: 12 · 2018: 10 · 2017: 4 · 2016: 7 · 2015: 8 · 2014: 3 · 2013: 10 · 2012: 10
- FWCI
- 4.50
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Gut (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
- Health Sciences › Medicine › Rheumatology › Pelvic floor disorders treatments
- Health Sciences › Medicine › Physiology › Physical Activity and Health
- Keywords
- moderate-intensity exercise, bowel habits, gut transit time, whole gut transit, jogging, cycling, treadmill running, stool frequency, stool weight, dietary fiber, fluid intake, healthy young adults
- MeSH terms
- Adult, Bicycling, Defecation, Female, Gastrointestinal Transit, Humans, Jogging, Male, Time Factors, Exercise
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