Volume 25, Issue 8 (Oct-Nov 2018)                   RJMS 2018, 25(8): 74-82 | Back to browse issues page

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Kashef M, Yazdani F, Kashef A. Electrocardiogram alterations and VO2max of active male after consuming caffeine with custo diagnostic . RJMS 2018; 25 (8) :74-82
URL: http://rjms.iums.ac.ir/article-1-5108-en.html
Shahid Rajaee Teacher Training University, Tehran, Iran , yaziferi@gmail.com
Abstract:   (3546 Views)
Background: Caffeine is isolated Methyl-xanthine, Alkaloid stimulants and it is the most commonly used drug in the world. The present study was to investigate the effect of caffeine on VO2max and Electrocardiograph in active male of student college after Bruce exhaustive exercise.
Methods: 9 male active aged 25 (mean 20.9±1.37 years, fat percent 11.21±3.79 percentage and BMI 23.49±1.69 kg/m2) allocated into two equal conditions: the supplement (5 mg.kg-1 caffeine) and without caffeine consumtion. After 60 min supplementation, subjects were participated in a single session of exhaustive Bruce Test. Changes in the VO2max and QT interval distance were meatured.
Results: The results showed that caffeine had significant effect on the increased levels of VO2max after Bruce exhaustive exercise compared to the control condition. Also, levels of QT interval increased significantly after the exercise (p<0.05).
Conclusion: Caffeine could significantly increase the VO2max and increase QT after Bruce exhaustive test. Maybe, level and severity of exercise increase the ventricular depolarization and repolarization and cardiac performance.
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Type of Study: Research | Subject: Exercise Physiology

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