O uso do carboidrato antes da atividade física como recurso ergogênico: revisão sistemática

Fontan, Jeniffer dos Santos; Amadio, Marselle Bevilacqua

doi:10.1590/1517-86922015210201933

Cited by 12 publications

(21 citation statements)

References 34 publications

(25 reference statements)

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“…Tradicionalmente se ha planteado la utilización de protocolos que utilicen CHO en forma de maltodextrina, sacarosa y sucralosa, esto debido al alto IG que poseen estos CHO, se sabe que CHO de un IG alto pueden estimular diversas vías transportadoras de glucosa generando aumentos considerables en la disponibilidad del sustrato y por consecuencia mejoras del rendimiento (4,7,(10)(11)(12)(13)(14)(15)(16)(17) , tres estudio incluido en esta revisión concluyen que el uso de enjuagues bucales con maltodextrina y glucosa son una estrategia eficaz para el aumento del rendimiento TT y el reclutamiento muscular expresado en la potencia de salida en TT (24)(25)(26) .…”

Section: Discussionunclassified

“…En este contexto se ha aceptado una serie de intervenciones relacionadas a los CHO en ejercicio, entre las que destaca, el enjuague bucal con carbohidratos (7,8) , el cual corresponde a una solución líquida de CHO la cual se distribuye alrededor de la cavidad bucal para posteriormente expulsarse, los enjuagues bucales utilizan comúnmente CHO en forma de maltodextrina, sacarosa, sucralosa y dextrosa debido a que poseen un alto índice glucémico (IG), estas formas de CHO al ser combinadas puede estimular varias vías transportadoras de glucosa en forma simultánea generando aumentos considerables en la disponibilidad de CHO y por consecuencia en el rendimiento (4,7,(9)(10)(11)(12)(13)(14)(15)(16)(17) . La evidencia actual ha reportado efectos positivos sobre el rendimiento ligado a la fatiga (central y periférica), percepción del esfuerzo, estados nutricionales restrictivos y alimentados (18)(19)(20) , no obstante, aún no existe consenso sobre el uso técnica a pesar de que ha sido frecuentemente utilizada en los últimos años por diversos profesionales del deporte con el objetivo de mejorar el rendimiento deportivo (1,8,9) .…”

Section: Introductionunclassified

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Enjuagues bucales con carbohidratos y su efecto en el rendimiento de carreras contrarreloj: Revisión sistemática

et al. 2020

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Introducción: Actualmente, los efectos del enjuague bucal con carbohidratos sobre el rendimiento son controvertidos, algunos estudios plantean efectos ergogénicos, mientras que otros no han reportado efecto luego de suministrar enjuague bucal con carbohidratos. Objetivo: Determinar si existe evidencia científica que avale los distintos protocolos de enjuagues bucales con carbohidratos y su efecto sobre el rendimiento deportivo en carreras de ciclismo contrarreloj. Materiales y métodos: se realizó una búsqueda bibliográfica entre el 2015 y 2019 en las bases de datos Medline, Biblioteca Cochrane y Scopus utilizando los términos “Carbohydrates”, “Mouth rinse” y “Athletic performance”. Resultados: Se revisaron 96 estudios y se seleccionaron 7 en diversos grupos poblacionales, con diferentes métodos de evaluación y diversas dosis de enjuague con carbohidratos. Los resultados obtenidos fueron controversiales, en algunos casos se demostró efecto ergogénico y en otros no. Conclusiones: Los efectos de los enjuagues bucales con carbohidratos son controvertidos, por lo que no se puede asegurar que provoquen mejoras de rendimiento en carreras de ciclismo contrarreloj. Se requiere de más estudios aleatorizados controlados que logren homogeneizar e identificar los mecanismos de acción específicos mediante el cual los enjuagues bucales con carbohidratos actúan sobre distintas poblaciones de estudio.

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Section: Discussionunclassified

Section: Introductionunclassified

Enjuagues bucales con carbohidratos y su efecto en el rendimiento de carreras contrarreloj: Revisión sistemática

et al. 2020

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“…The beneficial effects of CHO supplementation may be due to several mechanisms such as (1) maintenance of glycemia, (2) increased muscle glycogen resynthesis, (3) central fatigue attenuation, among others [34,35]. The latter mechanism is associated with circulating levels of glucose that appear to be an important source of energy for the central nervous system [36].…”

Section: Discussionmentioning

confidence: 99%

Ingestion of a drink containing carbohydrate increases the number of bench press repetitions

et al. 2019

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Objective The aim of this study was to analyze the effects of carbohydrate ingestion prior to exercise on the number of bench press repetitions. Methods Eight male physically active (21.3±2.7 years, 176±5cm, 73.12±6.12kg), with a minimum experience of at least one year exercising regularly, visited the laboratory at three moments. During the first visit, candidates went through their anthropometric evaluation and the application of their maximum number of bench press repetitions. The experimental tests were performed during their second and third visits in a crossover and blind study. The participants performed the maximum number of repetitions with an intensity of 70% of their maximum repetition strength. One hour before the experimental trials, participants randomly ingested a solution containing either carbohydrate or a placebo. Results The ingestion of carbohydrate increases muscle resistance in relation to placebo (p=0.014; effect size=0.71). This is evidenced by the increase in the number of repetitions (12.9±2.4 and 11.3±1.9, respectively). The individual’s perception of effort is higher in the carbohydrate group than in the placebo group after exhaustion (4±0.93 and 3.1±0.64, respectively, p=0.006, effect size=0.89). Conclusion It is concluded that a previous intake of carbohydrate is useful in improving performance in resistance exercises, providing an increase in the individual’s perception of effort.

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“…This fact instigates the constant concern with the adequate supply of CHO, fundamental to maintaining its ergogenic effect, necessary in all sports activities at all levels, but mostly in those of high intensity and long duration. 1,10,11 However, the results of the studies in relation to the sports performance still remain disparate.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Glycemic Index of Pre-exercise Meals in Sports Performance: A Systematic Review

2018

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Introduction: Carbohydrate (CHO) is essential for physical exercise. Some strategies for improving performance are based on the manipulation of the glycemic index (GI) of this nutrient during pre-exercise. Although several studies have been conducted on this subject, the use of low or high GI in a pre-exercise meal to improve performance remains undefined. Methods: In the present systematic review, the Pubmed (Medline) and Virtual Health Library databases were searched for randomized clinical trials conducted with healthy, physically active adults between 2006 and 2019, in which performance in addition to blood biochemical parameters, substrate utilization, body composition, perception of effort, and gastrointestinal symptoms were evaluated. The identified articles were independently and blindly evaluated by two authors, and any disagreements were resolved by a third investigator. Results: Five of the sixteen studies reviewed found differences in performance; of these, four were with low GI intervention. Few studies showed modifications in blood lactate and glucose levels beyond fatty free acid oxidation. No differences could be seen in the other parameters. The results as well as the methodologies used were heterogeneous; therefore, there are no clear advantages in determining the specific GI of the pre-exercise meal. Conclusions: There is no evidence that the pre-exercise meal GI influences performance. The heterogeneity of the studies precludes further conclusions.

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O uso do carboidrato antes da atividade física como recurso ergogênico: revisão sistemática

Cited by 12 publications

References 34 publications

Enjuagues bucales con carbohidratos y su efecto en el rendimiento de carreras contrarreloj: Revisión sistemática

Enjuagues bucales con carbohidratos y su efecto en el rendimiento de carreras contrarreloj: Revisión sistemática

Ingestion of a drink containing carbohydrate increases the number of bench press repetitions

Influence of the Glycemic Index of Pre-exercise Meals in Sports Performance: A Systematic Review

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