Journal of the Korea Convergence Society (한국융합학회논문지)

Korea Convergence Society (한국융합학회)
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Effects of Exercise Intensities in Physicla Activity, on Fitness, BDNF and Blood Lipid in Middle School Students with Intellectual Disabilities

신체활동 프로그램의 운동강도가 지적장애 중학생의 체력, BDNF 및 혈중지질에 미치는 영향

  • Lee, Mihyun (Dept. of Physical Education, Sungkyul University) ;
  • Jang, Hong-Young (Institute of Medical Science Convergence, Jeonju University)
  • 이미현 (성결대학교 체육교육과) ;
  • 장홍영 (전주대학교 의과학융합연구소)
  • Received : 2019.11.06
  • Accepted : 2019.12.20
  • Published : 2019.12.28
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Abstract

The purpose of this study was to the effects of exercise intensities in physical activity of 8 weeks, on fitness, blood lipid for middle school students with intellectual disabilities. Participants of the research were allocated by low-intensity(n=8, 40~54%HRR), middle-intensity(n=8, 55~69%HRR), and high-intensity(n=9, 70~85%HRR) exercise groups wirelessly. For setting and maintenance of individual exercise intensity, wireless heart rate monitor(RS-400, POLAR, Finland) was used. Fitness, BDNF, and blood lipid were measured equally before participating in physical activity and 8 weeks after participation. As a result, fitness and agility of high-intensity exercise group were significantly increased than low-intensity exercise group. BDNF of high-intensity exercise group was also significantly increased than low-intensity exercise group. For blood lipid, only total cholesterol showed differences by exercise intensity group and exercise group more than middle intensity showed significant reduction. In conclusion, when giving same exercise to middle school students with intellectual disabilities, fitness and BDNF were increased the mostly in high-intensity exercise group and total cholesterol was effective from the exercise of more than middle intensity.

본 연구는 지적장애 중학생을 대상으로 8주간의 신체활동 프로그램의 운동강도가 체력, BDNF 및 혈중지질에 미치는 영향에 대하여 연구하였다. 연구참여자는 저강도(n=8, 40~54%HRR), 중강도(n=8, 55~69%HRR), 고강도(n=9, 70~85%HRR) 운동집단으로 무선 할당 하였다. 개인별 운동강도 설정과 유지는 무선심박수 측정기(RS-400, POLAR, Finland)를 이용하였다. 체력, BDNF 및 혈중지질은 신체활동 프로그램 참여 전과 참여 8주 후에 동일하게 측정하였다. 연구결과, 체력은 근력과 순발력에서 고강도 운동집단이 저강도 운동집단보다 유의하게 증가하였다. BDNF도 고강도 운동집단이 저강도 운동집단보다 유의하게 증가하였다. 혈중지질은 총 콜레스테롤만 운동강도 집단에 따른 차이가 나타났으며 중강도 이상의 운동집단에서 유의하게 감소하였다. 결론적으로 지적장애 중학생들에게 동일한 운동량이 주어졌을 때 운동강도별에 따라 체력과 BDNF는 고강도 운동집단에서 가장 많이 증가하는 것으로 나타났으며, 총콜레스테롤은 중강도 이상의 운동에서부터 효과가 있음을 확인하였다.

Keywords

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