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Nutritional intake when cycling under racing and training conditions in professional male cyclists with type 1 diabetes

Jason Pitt, Richard Bracken Orcid Logo, S. N. Scott, Federico Y. Fontana, Kristina Skroce, Olivia McCarthy

Journal of Sports Sciences, Volume: 40, Issue: 17, Pages: 1912 - 1918

Swansea University Authors: Jason Pitt, Richard Bracken Orcid Logo

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DOI (Published version): 10.1080/02640414.2022.2118944

Abstract

This study sought to detail and compare the in-ride nutritional practices of a group of professional cyclists with type 1 diabetes (T1D) under training and racing conditions. We observed seven male professional road cyclists with T1D (Age: 28 ± 4 years, HbA1c: 6.4 ± 0.4% [46 ± 4 mmol.mol−1], VO2max:...

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Published in: Journal of Sports Sciences
ISSN: 0264-0414 1466-447X
Published: Informa UK Limited 2022
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa61179
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Abstract: This study sought to detail and compare the in-ride nutritional practices of a group of professional cyclists with type 1 diabetes (T1D) under training and racing conditions. We observed seven male professional road cyclists with T1D (Age: 28 ± 4 years, HbA1c: 6.4 ± 0.4% [46 ± 4 mmol.mol−1], VO2max: 73.9 ± 4.3 ml.kg −1.min−1) during pre-season training and during a Union Cycliste Internationale multi-stage road cycling race (Tour of Slovenia). In-ride nutritional, interstitial glucose, and performance variables were quantified and compared between the two events. The in-ride energy intake was similar between training and racing conditions (p = 0.909), with carbohydrates being the major source of fuel in both events during exercise at a rate of 41.9 ± 6.8 g.h−1 and 45.4 ± 15.5 g.h−1 (p = 0.548), respectively. Protein consumption was higher during training (2.6 ± 0.6 g.h−1) than race rides (1.9 ± 0.9 g.h−1; p = 0.051). A similar amount of time was spent within the euglycaemic range (≥70-≤180 mg.dL−1): training 77.1 ± 32.8% vs racing 73.4 ± 3.9%; p = 0.818. These data provide new information on the in-ride nutritional intake in professional cyclists with T1D during different stages of the competitive season.
Keywords: Type 1 diabetes; exercise; elite sports nutrition; professional cycling; carbohydrate; athlete dietary intake
College: Faculty of Science and Engineering
Funders: This study was funded by Novo Nordisk UK as part of an investigator sponsored study.
Issue: 17
Start Page: 1912
End Page: 1918

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