Recovery of endurance running capacity: effect of carbohydrate-protein mixtures

Betts, James, Stevenson, Emma, Williams, Clyde, Sheppard, Catrin, Grey, Edwin and Griffin, Joe (2005) Recovery of endurance running capacity: effect of carbohydrate-protein mixtures. International Journal of Sport Nutrition and Exercise Metabolism, 15 (6). pp. 590-609. ISSN 1543-2742

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Abstract

Including protein in a carbohydrate solution may accelerate both the rate of glycogen storage and the restoration of exercise capacity following prolonged activity. Two studies were undertaken with nine active men in study A and seven in study B. All participants performed 2 trials, each involving a 90 min run at 70% VO2max followed by a 4 h recovery. During recovery, either a 9.3% carbohydrate solution (CHO) or the same solution plus 1.5% protein (CHO-PRO) was ingested every 30 min in volumes providing either 1.2 g CHO · kg-1 · h-1 (study A) or 0.8 g CHO · kg-1 · h-1 (study B). Exercise capacity was then assessed by run time to exhaustion at 85% VO2max. Ingestion of CHO-PRO elicited greater insulinemic responses than CHO (P less than or equal to 0.05) but with no differences in run times to exhaustion. Within the context of this experimental design, CHO and CHO-PRO restored running capacity with equal effect.

Item Type: Article
Subjects: B400 Nutrition
C600 Sports Science
Department: Faculties > Health and Life Sciences > School of Life Sciences > Sport, Exercise and Rehabilitation
Related URLs:
Depositing User: EPrints Services
Date Deposited: 28 Jan 2010 10:52
Last Modified: 10 Aug 2015 11:49
URI: http://nrl.northumbria.ac.uk/id/eprint/376

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