The Impact of Gastrointestinal Symptoms and Dermatological Injuries on Nutritional Intake and Hydration Status During Ultramarathon Events

Sports Medicine - Open
Ricardo J S CostaA Murray

Abstract

Debilitating gastrointestinal symptoms (GIS) and dermatological injuries (DI) are common during and after endurance events and have been linked to performance decrements, event withdrawal, and issues requiring medical attention. The study aimed to determine whether GIS and DI affect food and fluid intake, and nutritional and hydration status, of ultramarathon runners during multi-stage (MSUM) and 24-h continuous (24 h) ultramarathons. Ad libitum food and fluid intakes of ultramarathon runners (MSUM n = 54; 24 h n = 22) were recorded throughout both events and analysed by dietary analysis software. Body mass and urinary ketones were determined, and blood samples were taken, before and immediately after running. A medical log was used to monitor symptoms and injuries throughout both events. GIS were reported by 85 and 73 % of ultramarathon runners throughout MSUM and 24 h, respectively. GIS during MSUM were associated with reduced total daily, during, and post-stage energy and macronutrient intakes (p < 0.05), whereas GIS during 24 h did not alter nutritional variables. Throughout the MSUM 89 % of ultramarathon runners reported DI. DI during MSUM were associated with reduced carbohydrate (p < 0.05) intake during running and prote...Continue Reading

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Citations

Feb 9, 2017·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Ricardo J S CostaPeter Gibson
Jun 8, 2017·Alimentary Pharmacology & Therapeutics·R J S CostaP R Gibson
Aug 5, 2017·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Rhiannon M J SnipeRicardo J S Costa
Jan 12, 2019·International Journal of Sport Nutrition and Exercise Metabolism·Stephanie K GaskellRicardo J S Costa
Apr 5, 2019·International Journal of Sport Nutrition and Exercise Metabolism·Ricardo J S CostaMartin D Hoffman
Oct 28, 2019·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Stephanie K GaskellRicardo J S Costa
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May 15, 2018·International Journal of Sport Nutrition and Exercise Metabolism·Stephanie K Gaskell, Ricardo J S Costa
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Jul 17, 2021·Wilderness & Environmental Medicine·Carel T ViljoenEsme Jordaan

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Software Mentioned

SenseWear
DI
SPSS
Dietplan6
GIS

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