Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effect of Different Intensity in Exercise on Blood Lipids, Albumin and FFA in Postmenopausal Middle-aged Obese Women

운동 강도 차이에 따른 폐경 후 비만 중년 여성의 혈중지질, 알부민 및 FFA에 미치는 영향

  • Dong-Gi Lee (Department of Physical Education, Pusan National University) ;
  • Tae-Kyu Kim (Department of Physical Education, Pusan National University) ;
  • Su-Han Koh (Department of Physical Education, Pusan National University) ;
  • Min-Kyo Kim (Department of Physical Education, Pusan National University) ;
  • Do-Yeon Kim (Department of Physical Education, Pusan National University)
  • 이동기 (부산대학교 체육교육학과) ;
  • 김태규 (부산대학교 체육교육학과) ;
  • 고수한 (부산대학교 체육교육학과) ;
  • 김민교 (부산대학교 체육교육학과) ;
  • 김도연 (부산대학교 체육교육학과)
  • Received : 2024.07.25
  • Accepted : 2024.08.21
  • Published : 2024.08.30
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Abstract

This study examined the effects of a 12-week combined exercise program on blood lipids, albumin, and free fatty acid (FFA) levels in obese, middle-aged women, aged 55-64, who were within five years post-menopause. The participants were divided into two groups: a moderate-intensity exercise group (MIG, n=10) and a high-intensity exercise group (HIG, n=10). Both groups performed resistance exercises using elastic bands and aerobic walking on treadmills three times a week for 60 minutes per session. Data analysis involved calculating the mean (M) and standard deviation (SD) for each measurement item. A two-way repeated measures ANOVA was used to assess interaction effects between groups and periods. Paired t-tests were conducted to evaluate within-group differences over time, and independent t-tests were used to compare between-group differences. The statistical significance level was set at .05 for all analyses. Results showed a significant interaction effect for triglycerides (TG) among the blood lipids (p<.05). No statistically significant difference was found in albumin levels. FFA levels significantly decreased in both groups due to the interaction effect (p<.05), with a more pronounced decrease in the MIG group. These findings indicate that regular exercise is effective in improving and preventing obesity in post-menopausal, obese middle-aged women. Notably, moderate-intensity exercise had a more substantial impact on TG and FFA levels compared to high-intensity exercise. Therefore, continuous moderate-intensity exercise is recommended to improve obesity and promote a healthy lifestyle before transitioning into old age.

본 연구는 12주간 운동 강도 차이에 따른 복합운동 수행이 55-64세의 폐경 후 5년 이내 비만 중년 여성의 혈중지질, 알부민 및 FFA 수준에 미치는 영향을 분석하였다. 대상자는 중강도 운동군(MIG, n=10), 고강도 운동군(HIG, n=10)으로 구성하여 탄력밴드를 이용한 저항운동 및 트레드밀을 이용한 유산소 걷기 운동을 주 3회, 1회 운동시간 60분간 실시하였다. 자료처리는 측정항목에 대한 평균값(M)과 표준편차(SD)를 산출하였고, 그룹 및 시기 간 상호작용 효과 검증은 two-way repeated measures ANOVA를 실시하였다. 상호작용 효과를 포함하여 필요에 따라 그룹 내 시기 간 차이 검증은 paired t-test를 실시하였고, 그룹 간 차이 검증은 independent t-test, 각 항목별 통계적 유의수준은 .05로 설정하였다. 그 결과, 혈중지질 중 TG는 상호작용 효과(p<.05)가 나타났고, 알부민은 통계적으로 유의한 차이가 없었으며, FFA는 상호작용 효과(p<.05) 및 그룹 내 MIG, HIG 모두 감소하였지만, MIG에서 더 많은 감소가 나타났다. 이러한 결과는 규칙적인 운동의 수행이 폐경 후 비만 중년 여성의 비만의 개선 및 예방에 효과적이라고 사료되며, 특히 중강도 운동은 고강도 운동보다 TG 및 FFA에 더 많은 효과를 나타낸다는 것을 입증하였다. 따라서, 노년기로 넘어가기 전 꾸준한 운동 수행을 통해 비만을 개선하여 건강한 삶을 영위할 수 있도록 지속적인 운동 수행을 권장한다.

Keywords

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