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- 저자 : 장징이 ( Jing-yi Zhang ) (검색결과 2 건)
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HIIT 프로그램 적용이 비만 여중생의 신체구성과 체력에 미치는 효과
장징이(Zhang, Jing Yi),김창영(Kim, Chang Young),이민기(Lee, Min Ki),안민지(An, Min Ji) 학습자중심교과교육학회 2018 학습자중심교과교육연구 Vol.18 No.11
이 연구는 8주 동안의 HIIT(고강도 인터벌 트레이닝) 프로그램의 적용이 비만 여자 중학생의 신체구성과 체력에 미치는 효과를 분석하여, 학교 현장에서 청소년 비만을 예방하고 관리하는데 필요한 기초 자료를 제공하고자 한다. 연구 목적을 달성하기 위하여 충북 C시에 소재한 K중학교 2학년 여학생 24명을 임의로 선정한 후, 운동집단과 통제집단에 각각 12명씩 무선 배정하고 고강도 인터벌 트레이닝 전ㆍ후 신체구성과 체력을 측정하였다. 고강도 인터벌 트레이닝은 주3회 20분씩, 8주간 실시하였으며, t검증을 이용해 집단 내, 집단 간 차이를 분석하였으며, 연구 결과는 다음과 같다. 첫째, 실험 후 운동집단의 체중과 체지방률은 유의하게 감소하였고, 체지방 체중에는 차이가 나타나지 않았다. 둘째, 실험 후 운동집단의 체지방률이 통제집단에 비해 통계적으로 유의하게 감소하였다. 셋째, 실험 후 운동집단의 심폐지구력과 근지구력이 유의한 차이로 향상되었으며, 근력, 유연성, 순발력에서는 차이가 나타나지 않았다. 넷째, 운동집단의 심폐지구력이 통제집단에 비해 통계적으로 유의하게 향상되었다. The aim of this study was to investigate the influence of the exercise program that applied the 8 weeks of HIIT method on the body composition and physical fitness in obese middle school students. In order to accomplish the aim of this study, 24 2nd grade female students at K middle school located in Cheongju city, Chungbuk-do, were selected at random and the allocated 12 students each for the exercise group and control group and measured body composition and physical fitness before and after the HIIT. HIIT program is implemented for twenty minutes of three times each week for 8 weeks and the t-test was used to analyze the difference in the group and between the groups. Looking into the changes of body composition before and after the exercise group that participated regularly to the 8-week HIIT program, the weight and % body fat were noticeably reduced after the experiment and there was no difference in the fat free mass. Looking into the difference of exercise group and control group, the % bofy fat of the exercise group after the experiment was noticeably reduced statistically compared to the control group. Looking into the changes of physical fitness before and after the exercise group that participated regularly to the 8-week HIIT program, the cardiorespiratory endurance and muscular endurance of the exercise group after the experiment was noticeably improved and there was no difference with respect to the muscle strength, flexibility, and agility. Looking into the difference of exercise group and control group, the cardiorespiratory endurance of the exercise group after the experiment was noticeably improved statistically compared to the control group.
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태극권 운동이 여성 노인의 일상 체력과 면역 기능에 미치는 영향
장징이 ( Jing-yi Zhang ),김경래 ( Kyeong-lae Kim ),서한교 ( Han-kyo Seo ),안민지 ( Min-ji An ) 한국리듬운동학회 2019 한국리듬운동학회지 Vol.12 No.1
The purpose of this study was to provide basic data necessary for development of TaiChi exercise program and to provide basic data for the health maintenance of the elderly women by analyzing the effects of 18weeks TaiChi on physical fitness and immune functions of elderly women. 30 female subjects were randomly assigned to 2 groups, i.e., TaiChi exercise training group 15, control group 15. Informed consent was obtained from all subjects before enrollment into this study. All subjects participated in pre-test and post-test, that is., physical fitness test(muscle strength, muscular endurance, cardiovascular endurance, range of motion and balance), and immune functions test(IL-2, IFN-γ, IgM, IgA and IgG). Exercise training was performed 5 times per week, for 60minutes each time, for 18 weeks. A paired-sample t-test and an independent-sample t-test were conducted with the SPSS Ver. 23.0 statistic program to test of physical fitness and immune functions and differences in changes between the groups before and after exercise. The results of this study were as follows. Firts, in the changes of physical fitness variables after 18 weeks exercise training, there improved significantly of cardiovascular endurance, range of motion and balance in elderly women. Exercise group revealed exhibited significant differences statistically, but control group showed few changes during the experiment. Second, in the changes of immune functions variables after 18 weeks exercise training, there increased significantly of IFN-γ, IgA, IgG. Exercise group revealed exhibited significant differences statistically, but control group showed few changes during the experiment. In conclusion, TaiChi exercise program for 18 weeks improved in physical fitness in elderly women and positively affected immune functions-related cytokine and immunoglobulin.
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