2022
DOI: 10.33233/rbfe.v17i2.2468
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Cafeí­na e desempenho fí­sico: metabolismo e mecanismos de ação

Abstract: Introdução: A cafeína (CAF) é um recurso ergogênico nutricional comumente utilizado durante a prática do exercício físico com o intuito de potencializar o desempenho físico. Não apresenta efeitos agudos adversos, tem baixo custo, facilmente acessível e socialmente aceita. São atribuídos a CAF mecanismos de ação centrais e periféricos durante a prática do exercício físico. Objetivo: O presente estudo tem como objetivo elucidar as atuais evidências sobre os mecanismos de ação da CAF e a melhora do desempenho fís… Show more

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Cited by 2 publications
(3 citation statements)
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“…In addition to the use of medicinal plants for health maintenance, physical exercise is considered an important factor in promoting well-being and mitigating the incidence of comorbidities. However, it is widely discussed that the intensity and regularity of exercises may contribute to the appearance of extreme tiredness, oxidative stress, immunosuppression and muscle damage [6][7][8][9][10][11][12]. Muscle damage is partly due to increased oxygen uptake during physical exercises to maintain metabolism during cellular respiration.…”
Section: Rbfexmentioning
confidence: 99%
See 1 more Smart Citation
“…In addition to the use of medicinal plants for health maintenance, physical exercise is considered an important factor in promoting well-being and mitigating the incidence of comorbidities. However, it is widely discussed that the intensity and regularity of exercises may contribute to the appearance of extreme tiredness, oxidative stress, immunosuppression and muscle damage [6][7][8][9][10][11][12]. Muscle damage is partly due to increased oxygen uptake during physical exercises to maintain metabolism during cellular respiration.…”
Section: Rbfexmentioning
confidence: 99%
“…Thus, new strategies have been developed in the field of physical exercise to minimize hormesis, among which the use of antioxidants such as vitamins C, E and phytochemicals, such as polyphenols present in fruits and vegetables and/or teas [6][7][8][9][10][11][12][13][14][15][16].…”
Section: Rbfexmentioning
confidence: 99%
“…Outro componente bem descrito é a cafeína, a qual age como antagonista dos receptores de adenosina A1 e A2. Além disso, atua como neuromodulador endógeno, com efeitos inibitórios sobre a excitabilidade central (Silvestre et al, 2018). A cafeína promove liberação de neurotransmissores excitatórios como a dopamina e a adrenalina, ao passo que reduz o limiar de ativação neuronal.…”
Section: Introductionunclassified