Effect of fat- and carbohydrate-rich diets on metabolism and running performance in trained adolescent boys

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorCouto, Patricia Guimaraes-
Autor(es): dc.creatorLima, Hessel Marani-
Autor(es): dc.creatorSoares, Ruda Pinheiro-
Autor(es): dc.creatorBertuzzi, Romulo-
Autor(es): dc.creatorDe-Oliveira, Fernando Roberto-
Autor(es): dc.creatorLima-Silva, Adriano Eduardo-
Data de aceite: dc.date.accessioned2026-02-09T11:53:05Z-
Data de disponibilização: dc.date.available2026-02-09T11:53:05Z-
Data de envio: dc.date.issued2018-05-15-
Data de envio: dc.date.issued2018-05-15-
Data de envio: dc.date.issued2014-09-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/29243-
Fonte completa do material: dc.identifierhttps://journals.lww.com/jpgn/fulltext/2014/09000/Effect_of_Fat__and_Carbohydrate_Rich_Diets_on.22.aspx-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1149583-
Descrição: dc.descriptionObjectives: A randomized crossover trial was designed to analyze the impact of a short-term, isoenergetic fat-rich or carbohydrate (CHO)-rich diet on substrate oxidation rates during submaximal exercise and on performance in a 10,000-m running time trial in trained, mid- to late-pubertal boys. Methods: An incremental test was performed to determine the peak oxygen uptake (VO2peak). After 2 days on a fat-rich (24.2% 0.8% CHO, 60.4% 0.3% fat, and 15.5% 1.0% protein), CHO-rich (69.3% 1.2% CHO, 15.9% 2.1% fat, and 15.1% 1.1% protein), or habitual (56.1% 7.0% CHO, 27.5% 4.9% fat, and 16.5% 4.0% protein) diet, 19 trained adolescent boys (15.2 1.5 years) performed a 10-minute constant run at 65% VO2peak to determine the respiratory exchange ratio (RER) during exercise and 10,000-m running on an outdoor track. Results: During the constant run, the RER and CHO contribution to energy expenditure were lower, and fat contribution higher, in the fat-rich diet than in the CHO-rich diet (P < 0.05), but the results were not different from those of the habitual diet. Performance in the 10,000-m run after consuming CHO- and fat-rich diets was similar to performance after a habitual diet (50.0 7.0, 51.9 8.3, and 50.9 7.4 minutes, respectively), but consuming a CHO-rich diet enhanced performance compared with that after a fat-rich diet (P ¼ 0.03). Conclusions: These findings indicate that a CHO-rich diet provides additional benefits to 10,000-m running performance in trained adolescent boys compared with a fat-rich diet.-
Idioma: dc.languageen-
Publicador: dc.publisherWolters Kluwer-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceJournal of Pediatric Gastroenterology and Nutrition-
Palavras-chave: dc.subjectAerobic exercise-
Palavras-chave: dc.subjectDietary manipulation-
Palavras-chave: dc.subjectRunning-
Palavras-chave: dc.subjectSubstrate oxidation-
Palavras-chave: dc.subjectExercício aeróbico-
Palavras-chave: dc.subjectManipulação dietética-
Palavras-chave: dc.subjectCorrida-
Palavras-chave: dc.subjectOxidação do substrato-
Título: dc.titleEffect of fat- and carbohydrate-rich diets on metabolism and running performance in trained adolescent boys-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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