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metadata.artigo.dc.title: High carbohydrate diet induces faster final sprint and overall 10,000-m times of young runners
metadata.artigo.dc.creator: Couto, Patricia Guimaraes
Bertuzzi, Romulo
Souza, Carla Caroline de
Lima, Hessel Marani
Kiss, Maria Augusta Peduti Dal Molin
De-Oliveira, Fernando Roberto
Lima-Silva, Adriano Eduardo
metadata.artigo.dc.subject: Exercise performance
Carbohydrate diet
Young athletes
Desempenho do exercício
Dieta de carboidratos
Atletas jovens
metadata.artigo.dc.publisher: Human Kinetics Aug-2015
metadata.artigo.dc.identifier.citation: COUTO, P. G. et al. High carbohydrate diet induces faster final sprint and overall 10,000-m times of young runners. Human Kinetics Journals, [S. l.], v. 27, n. 3, p. 355-363, Aug. 2015.
metadata.artigo.dc.description.abstract: This study analyzed the pacing employed by young runners in 10,000 m time-trials under 3 dietary regimens of different carbohydrate (CHO) intakes. Nineteen boys (13–18 years) ate either their normal CHO diet (56% CHO), high (70% CHO), or low (25% CHO) CHO diets for 48 hr; the boys then performed a 10,000 m run (crossover design). The high CHO diet led to faster final sprint (14.4 ± 2.2 km·h-1) and a better performance (50.0 ± 7.0 min) compared with the low CHO diet (13.3 ± 2.4 km·h-1 and 51.9 ± 8.3 min, respectively, p < .05). However, the final sprint and performance time in the high CHO or low CHO diets were statistically not significantly different from the normal CHO diet (13.8 ± 2.2 km·h-1 and 50.9 ± 7.4 min; p > .05). CHO oxidation rate during the constant load exercise at 65% of VO2max was elevated in high CHO diet (1.05 ± 0.38 g·min-1) compared with low CHO diet (0.63 ± 0.36 g·min-1). The rating of perceived exertion increased linearly throughout the trial, independently of the dietary regimen. In conclusion, the high CHO diet induced higher CHO oxidation rates, increased running speed in the final 400 m and enhanced overall running performance, compared with low CHO.
metadata.artigo.dc.language: en_US
Appears in Collections:DEF - Artigos publicados em periódicos

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