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논문 기본 정보

자료유형
학술저널
저자정보
HongYing Du (School of Physical Education Tangshan Normal University) 심영제 (군산대학교)
저널정보
한국운동재활학회 Journal of exercise rehabilitation Journal of exercise rehabilitation Vol.17 No.5
발행연도
2021.10
수록면
348 - 353 (6page)
DOI
10.12965/jer.2142536.268

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초록· 키워드

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This study aimed to examine the changes in the blood fatigue indica-tors, inflammatory markers, and stress hormones following an 8-week intensity interval training in sprinters, and to investigate the effects on changes in the 100-m sprint records. Twenty sprinters from a boys’ high school were equally assigned to high-intensity and medium-intensity interval training groups, and three 60-min interval training sessions were performed per week for 8 weeks, for a total of 24 sessions. Exer-cise intensity was defined as 85%?95% and 75%?85% of heart rate re-serve for high- and medium-intensity training, respectively. At rest, both groups had an exercise intensity of 60% of the heart rate reserve. Our results showed decreased fatigue indicators, inflammatory markers, and stress hormone levels after high-intensity and medium-intensity in-terval training, with no difference between the training levels. In addi-tion, the 100-m sprint records were different in high- and medium-inten-sity interval training groups, based on the lactate dehydrogenase and adrenocorticotropic hormone levels. In conclusion, medium-intensity interval training with a reserve heart rate of ≥75% can have a positive effect on blood fatigue indicators, inflammatory markers, and stress hormones in sprinters. Specifically, the changes in adrenocorticotropic hormone level seen in the high-intensity interval training group were found to have a significant effect on the 100-m sprinting records.

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