The purpose of this study is to investigate the effects of strenuous exercises on resting heart rate, blood pressure, and maximal oxygen uptake. To achieve the purpose of the study, a total of 30 subjects were selected, including 15 people who performed continued regular exercises and 15 people as the control group. With regard to data processing, the IBM SPSS Statistics ver. 21.0 was used to calculate the mean and standard deviation. The difference of mean change between groups was verified through an independent t-test. As a result, there were significant differences in resting heart rate, maximal heart rate, maximal systolic blood pressure, and maximal oxygen uptake. However, the maximal systolic blood pressure was found to be an exercise-induced high blood pressure. Thus, it is thought that a risk diagnosis for it through a regular exercise stress test is necessary.

The subjects of this research are 30 students of Dong-Eui Institute of Technology in Busan city, who were grouped into two categories after applying the curriculum of the second semester of the freshman year to their classes: those whose academic performance was at the top 20% (15 students) and those whose academic performance was at the bottom 20% (15 students). For the measurement items, we measured their weight, body fat mass, body fat rates, body mass index, and abdominal fat rates by using a body composition testing machine. We then analyzed the t-test results by using the IBM SPSS ver. 18.0 program. Through this research, we found that there was a significant difference among those in the group of students whose academic performance was at the top 20% in terms of body fat mass and body fat rates, which means that academic performance has relatively little effect on body composition and abdominal fat rates.

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