The effect of caffeine consumption on the time to reach fatigue and oxygen consumption index in active men

Ranjbar, Kamal; Zarrinkalam, Ebrahim

doi:10.22054/nass.2024.82688.1167

فهرست نشریات

اخذ رتبه توسط نشریه پژوهش‌های رهبری آموزش از وزارت علوم، تحقیقات و فناوری

اخذ رتبه «الف» توسط نشریه پژوهشنامه معارف قرآنی از وزرات علوم، تحقیقات و فناوری

نشست مشورتی مسئولان مجلات علمی دانشگاه علامه‌طباطبائی

نتایج ارزیابی علمی نشریات دانشگاه علامه طباطبائی در سال ۱۴۰۱; 19عنوان موفق به دریافت رتبه الف شدند.

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	The effect of caffeine consumption on the time to reach fatigue and oxygen consumption index in active men
New Approaches in Exercise Physiology
دوره 5، شماره 10، اسفند 2023
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22054/nass.2024.82688.1167
نویسندگان
kamal ranjbar^* ¹؛ Ebrahim Zarrinkalam²
¹Department of Physical Education and Sport Science, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran.
²Department of Physical Education and Sport Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
چکیده
Background and purpose: Caffeine is a widely used and available physiological stimulant that is effective in sports performance. The purpose of this study was to investigate the effect of caffeine consumption and exercise on fatigue and cardiovascular responses in active men. Materials and methods: The statistical population of this research was made up of all male students of physical education in the age range of 19 to 27 years with at least three activity sessions per week. 15 of them were selected as subjects and they performed the exercise protocol in two stages (the first stage by eating placebo and the second stage by eating coffee). Subjects consumed 5 mg/kg of coffee in the first session under placebo conditions, and in the second session, subjects consumed 5 mg/kg of coffee one hour before the test. Blood samples were collected before taking placebo or caffeine and after the test. Findings: The results of the correlated t-test showed that the consumption of caffeine supplements significantly increased the time to reach fatigue and the index of oxygen consumption after exercise. In general, it can be said that active men can use 6 mg/kg of caffeine supplement one hour before sports activity to improve the time to reach fatigue.
کلیدواژه‌ها
caffeine؛ fatigue؛ active men؛ oxygen consumption index

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The effect of caffeine consumption on the time to reach fatigue and oxygen consumption index in active men