Kata Kunci
kelembaban
suhu
VO2max
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Abstrak
The effects of a hot environment on aerobic performance study have not been well documented. The temperature and humidity of an environment affect the body's physiology, influence physical appearance, and affect the less advantageous process of oxygen intake (VO2Max). Hence, a question arises in this study is the effect of environmental temperatures on the body condition while exercising. Accordingly, the purpose of this study is to examine the effect of different environmental temperatures on VO2max of PPLP (Students education and training center/pusat pendidikan dan latihan pelajar) athletes in java island, Indonesia. This study employs an observational study method, in which the researcher only observes at one time, without intervention on the examined variables. The subjects are 80 PPLP athletes from Java, specifically 20 Athletes of Central Java, 20 Athletes of East Java,20 Athletes of West Java and 20 Athletes of Yogyakarta. The results of this study indicate that VO2max is significantly decreased at the air temperature of 34°C with relative humidity of 70% and the air temperature of 32°C with relative humidity of60% compared to the air temperature of 23°C with relative humidity of 69% and the air temperature of 31°C with relative humidity of 50%. Aerobic performance is intensely influenced by cardiovascular function. A hot environment increases the blood flow of the skin, which changes cardiovascular function. Consequently, this decreases oxygen intake (VO2max).
Referensi
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