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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국사회체육학회 한국사회체육학회지 한국사회체육학회지 제18권 제2호
발행연도
2002.11
수록면
1,433 - 1,442 (10page)
DOI
10.51979/KSSLS.2002.11.18.1433

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초록· 키워드

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The purpose of this study was to assess the effects of the aerobic exercise training on the oxidization level of the active muscles using the free-style swimming program for 12 weeks. The subjects in this study were 10 of the students(age : 18.5±0.9, height : 177.5±7.1, weight : 72.2±10.3) in the department of Community Sport and Leisure Studies of D University. NIRS was utilized to measure the oxidization level before and after the exercise, which enables the continuous measurement even in exercise. The training program was limited to the free-style swimming which was done by 400-meter swimming and a 3-minute break for 90 minutes per day, four days per week. The exercise strength was around 80% of the maximum cardiac output. According to the results, the maximum oxygen inhalation showed approximately 19% increase at the exercise intensity of 40, 60, 80, 100% of % V˙O_2max(p<0.001). The oxidization level of the active muscles showed the same linear decrease before and after the exercise, but the decrease rates were 3.1%, 10.8%(p<0.05), 12.2%(p<0.05), and 15.6%(p<0.01) showing the decrease rate together with the increase of the exercise strength. The optical density signifying the oxygen supply showed the linear increase from before the exercise till the maximum exercise, but showed the same pattern till the 80% V˙O_2max after the training, and again decreased in the normal condition until the maximum exercise afterwards. It has been known so far that the method to identify the changes of the oxidization level of the active muscles has difficulties such as it is not so easy to distinguish between the active muscles and the inactive muscles and it is impossible to technically measure the arteriovenous oxygen difference(a-V(O_2)) or the hematocele level in invasive and intense exercise. However, it was possible to continuously measure the oxidization level of the active muscles in the noninvasive and intense exercise using the NIRS.

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