期刊
INTERNATIONAL JOURNAL OF SPORT NUTRITION AND EXERCISE METABOLISM
卷 18, 期 6, 页码 551-566出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/ijsnem.18.6.551
关键词
habitual dietary intake; carbohydrate loading
资金
- Medical Research Council of South Africa
- Bromor Foods Pty., Ltd.
- Technology and Human Resources for Industry Programme (TRHIP) of the National Research Foundation
The aim of the study was to investigate the pre- and during-race nutritional intake of cyclists competing in a 210-km 1-day ultraendurance cycle race. Forty-five endurance-trained male cyclists participated in this dietary survey and completed a 3-day dietary record. Mean reported carbohydrate (CHO) intake over the 3 days before the race (5.6 +/- 1.7 g/kg) was below the recommended guidelines of 7-10 g/kg. Although 57% of participants indicated that they CHO loaded 1-3 days before the race, only 23% of these participants achieved CHO intakes of >= 7 g/kg over the 3-day period before the race, demonstrating a discrepancy between perceived and actual intakes of CHO. Most participants indicated the use of CHO supplements before (84%) and during (98%) the race and achieved a CHO intake of 63 +/- 23 g/hr during the race. Although most cyclists failed to meet recommended prerace CHO intakes, most achieved the recommended CHO intakes during the race.
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