The metabolic responses to high carbohydrate meals with different glycemic indices consumed during recovery from prolonged strenuous exercise

Stevenson, Emma, Williams, Clyde and Biscoe, Helen (2005) The metabolic responses to high carbohydrate meals with different glycemic indices consumed during recovery from prolonged strenuous exercise. International Journal of Sport Nutrition and Exercise Metabolism, 15 (3). pp. 291-307. ISSN 1526-484X

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Abstract

This study investigated the metabolic responses to high glycemic index (HGI) or low glycemic index (LGI) meals consumed during recovery from prolonged exercise. 8 trained male athletes undertook 2 trials. Following an overnight fast, subjects completed a 90 minute run. Meals were provided 30 minutes and 2 hours following cessation of exercise. The plasma glucose responses to both meals were greater in the HGI trial compared to the LGI trial. Following breakfast, there were no differences in the serum insulin concentrations between the trials; however, following lunch, concentrations were higher in the HGI trial compared to the LGI trial. This suggests that the glycemic index of the carbohydrates consumed during the immediate post-exercise period might not be important as long as sufficient carbohydrate is consumed. The high insulin concentrations following a HGI meal later in the recovery period could facilitate further muscle glycogen resynthesis.

Item Type: Article
Subjects: B400 Nutrition
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: EPrint Services
Date Deposited: 05 May 2009 09:55
Last Modified: 24 Oct 2017 11:43
URI: http://nrl.northumbria.ac.uk/id/eprint/2046

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