2 documents found, page 1 of 1
Can the Brazilian caffeine expectancy questionnaires differentiate the CYP1A2 a...
Mendes, Guilherme Falcão; Reis, Caio Eduardo Gonçalves; Nakano, Eduardo Yoshio; Spineli, Higor; Barreto, Gabriel; Noronha, Natália YumiThis study investigated the ability of the Brazilian Caffeine Expectancy Questionnaire (CaffEQ-BR), full and brief versions, to differentiate genetic profiles regarding the polymorphisms of the CYP1A2 (rs 762551) and ADORA2A (rs 5751876) genes in a cohort of Brazilian athletes. Onehundred and fifty participants were genotyped for CYP1A2 and ADORA2A. After the recruitment and selection phase, 71 (90% male and 10...
Does caffeine supplementation alter energy contribution during a work-based ~30...
Barreto, Gabriel; Silva, Rafael Pires da; Yamaguchi, Guilherme; Oliveira, Luana Farias de; Painelli, Vitor de Salles; Gualano, Bruno; Saunders, BryanCaffeine has been shown to increase anaerobic energy contribution during short-duration cycling time-trials (TT) though no information exists on whether caffeine alters energy contribution during more prolonged, aerobic type TTs. The aim of this study was to determine the effects of caffeine supplementation on longer and predominantly aerobic exercise. Fifteen recreationally-trained male cyclists (age 38±8 y, h...