Effects of high dose coffee intake on aerobic power in dragon female athletes
AbstractBackground : There are few studies that consider the effect of high doses of caffeine on aerobic power (VO2max). Also, to date, no study examined the effect of coffee intake on dragon boat paddler specifically on women. The purpose of this study was to investigate the effect of espresso coffee on improvement of aerobic power of dragon boat paddler. Material : Twenty women athletes of Guilan dragon bout team members of Malavan club of port city of Anzali (mean ±SD age, 23.60± 3.49 years; BMI,23.77±1.88kg/m2; body fat, 30.32±4.65%) were recruited to this study, after they completed a primary test without consuming any coffee, they consumed 6mg/kg of coffee (espresso or decaffeinated) and following that they completed two experimental trials. A randomized, double-blind, repeated-measures, design was employed whereby paddlers complete a 2000m paddling dragon boat ergo-meter. Results : Coffee could improve VO2max (Without coffee =74.40± QUOTE 4.99, Espresso coffee =90.10± QUOTE 6.19, Decaffeinated coffee =91.00± QUOTE 5.67, P≤ QUOTE 0.05). VO2max amount after exercise were significantly higher for both espresso coffee and decaffeinated coffee, when compared with without coffee condition. No significant differences were observed between espresso coffee and decaffeinated coffee (P≤ QUOTE 0.05). Conclusion : The present study shows that both high doses of caffeine (espresso coffee) and decaffeinated coffee can enhance VO2max during aerobic exercise including 2000m dragon boat paddling. It seems that some compounds except caffeine in decaffeinated coffee can act improve VO2max. Further studies needed for considering the effect of high doses of coffee on endurance exercises. Also in other age ranges of women athletes and other sport athletes.
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