Ramadan and Its Effect on Fuel Selection during Exercise and Following Exercise Training

AUTHORS

Stephen R. Stannard , *

How to Cite: Stannard S R. Ramadan and Its Effect on Fuel Selection during Exercise and Following Exercise Training, Asian J Sports Med. Online ahead of Print ; 2(3):34760. doi: 10.5812/asjsm.34760.

ARTICLE INFORMATION

Asian Journal of Sports Medicine: 2 (3); 127-133
Published Online: August 31, 2011
Article Type: Review Article
Received: May 26, 2011
Accepted: July 6, 2011
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Abstract

Fasting induces short-term physiological adaptations which spare the body's remaining carbohydrate stores and mobilize lipid stores to provide a substitute fuel for many tissues and organs, especially skeletal muscle. Rodent studies show that regular occurrence of fasting then refeeding, stimulates adaptations in muscle which make the animal better placed to withstand a further period of fasting by possessing a better ability to oxidise lipid.

This review explores the research describing these adaptations, with an emphasis on Ramadan, a human model of repeated fasting/refeeding. Separately, a single bout of endurance exercise places similar metabolic stress on the body as fasting since the exercising muscle must reduce its use of carbohydrate and utilize lipid more readily as exercise progresses. Not surprisingly therefore, adaptations in muscle to repeated bouts of endurance exercise (endurance training) are similar to those seen with repeated fasting/refeeding. Superimposing the stressors of repeated fasting/refeeding and exercise training, and subsequent adaptations to the muscle and exercise response, are examined by describing the published research which has investigated the situation where athletes continue their training whilst participating in Ramadan.

Keywords

Endurance Training Metabolism Carbohydrate Lipid Skeletal Muscle

© 2011, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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