PMID: 8605519Dec 1, 1995Paper

Effect of carbohydrate ingestion subsequent to carbohydrate supercompensation on endurance performance

International Journal of Sport Nutrition
J KangK F Metz

Abstract

This investigation determined whether carbohydrate ingestion during prolonged moderate-intensity exercise enhanced endurance performance when the exercise was preceded by carbohydrate supercompensation. Seven male trained cyclists performed two trials at an initial power output corresponding to 71 +/- 1% of their peak oxygen consumption. During the trials, subjects ingested either a 6% glucose/sucrose (C) solution or an equal volume of artificially flavored and sweetened placebo (P) every 20 min throughout exercise. Both C and P were preceded by a 6-day carbohydrate supercompensation procedure in which subjects undertook a depletion-taper exercise sequence in conjunction with a moderate- and high-carbohydrate diet regimen. Statistical analysis of time to exhaustion, plasma glucose concentration, carbohydrate oxidation rate, fat oxidation rate, and plasma glycerol concentration indicated that in spite of a carbohydrate supercompensation procedure administered prior to exercise, carbohydrate ingestion during exercise can exert an additional ergogenic effect by preventing a decline in blood glucose levels and maintaining carbohydrate oxidation during the later stages of moderate-intensity exercise.

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Citations

Feb 20, 2004·Journal of Sports Sciences·Mark HargreavesAsker Jeukendrup
Mar 30, 2000·Sports Medicine·J S Coombes, K L Hamilton
Jun 19, 2001·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·A St Clair GibsonT D Noakes
Nov 8, 2007·Research in Sports Medicine·Jie KangMichael Wendell
Aug 4, 1998·Journal of Applied Physiology·F PéronnetD Massicotte
Jun 9, 2009·European Journal of Applied Physiology·Jie KangJay R Hoffman
Feb 27, 2007·European Journal of Applied Physiology·Jie KangJay R Hoffman
Apr 30, 2003·Journal of Applied Physiology·Jessica L AndrewsHongguang Ji
Aug 24, 2010·Sports Medicine·Antony D KarelisFrancois Péronnet
Mar 18, 2011·The Journal of Nutrition·John TemesiHelen T O'Connor
Aug 19, 2011·Sports Medicine·Tom J Vandenbogaerde, Will G Hopkins
Jun 20, 2013·Research in Sports Medicine·Jie KangAvery Faigenbaum

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