Majalah Ilmu Faal Indonesia
ISSN 0215-1995
Vol. 11 / No. 2 / Published : 2016-09
Order : 4, and page :72 - 76
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Original Article :
Effect of caffeine on endurance duration of student using graded exercise test
Author :
- Rizqy Tafinna Lazuardi*1
- Roostantia Indrawati*2
- Gadis Meinar Sari*3
- Mahasiswa Fakultas Kedokteran
- Dosen Fakultas Kedokteran
- Dosen Fakultas Kedokteran
Abstract :
Background: Caffeine has ergogenic effect that can increase exercise performance by using lipid energy storage that is responsible to the effectiveness of glycogen metabolism of muscle so can prevent tiredness. Aim: Purpose of this study was to see the effect of caffeine on endurance duration of student from Airlangga Medical University. Method: Forty healthy male students from Airlangga Medical University were randomized and divided in control group (n = 20) and experimental group (n = 20). They were given placebo (empty capsule) or caffeine capsule (3 mg/kg body weight). Graded exercise test used ergo cycle with increased load ½ kp every 6 minutes until subjects reach 80% submaximal heart rate. Heart rate recovery is measured in the first, third and fifth minute. The tiredness between the groups is measured in a subjective value with a scale range from 1-10. Variabels were compared by using paired t test. Result: No significant duration (p > 0.05). No significant heart rate recovery in the first and third minute (p > 0.05) but significant in the fifth minute (p < 0.05). Significant tiredness (p < 0.05). Analysis: Effect caffeine to the heart rate affect the duration of exercise. Conclusion: No significant difference in the student’s duration of endurance.
Keyword :
Caffeine, Endurance, Graded exercise test,
References :
Chen, Yufen,(2009) ’Caffeine dose effect on activation-Induced BOLD and CBF responses vol46, pp. 577-583 : NeuroImage
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