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Exerc Sci > Volume 20(1); 2011 > Article
Exercise Science 2011;20(1): 35-46. doi: https://doi.org/10.15857/ksep.2011.20.1.35
레크리에이셔널 댄스 운동이 노인여성의 심혈관계 위험인자 및 혈관 구조와 기능에 미치는 영향
정수진1, 윤은선1, 손태열2, 제세영1
Effects of recreational dance exercise on cardiovascular risk factors, vascular structure and function in older women.
Aging has a negative effect on large elastic artery structure and function which increases the risk of cardiovascular disease(CVD). The purpose of this study was to assess the effect of a recreational exercise program on vascular structure and function, traditional CVD risk factors and cardiorespiratory fitness in older women. Twenty three subjects(age 63±4 yrs, female) were randomly assigned to a dance-exercise group (n=12) and a non-exercise control group (n=11). The subjects in the exercise group performed supervised recreational dance exercise with moderate intensity (40~60% of heart rate reserve) for 12 weeks, 60 minutes per session, 3 times per week. Body weight, lipid profiles, insulin resistance(HOMA index), high sensitivity C-reactive protein(hs-CRP), and cardiorespiratory fitness were measured at baseline and after 12 weeks intervention. Also, brachial artery flow mediated vasodilatation (FMD), common carotid artery intima media thickness(IMT) and carotid distensibility were measured using B-mode ultrasound. After the 12 weeks intervention, body weight, blood pressure and lipid profiles did not significantly change in the exercise group compared with the control. However, hs-CRP(1.66±0.6 to 1.19±0.7 mg/L, p=.001) and HOMA index (0.55±0.3 to 0.38±0.2, p=.001) were significantly improved in the exercise group. Also, cardiorespiratory fitness (22.3±3.3 to 25.2±5.0 ml/kg/min, p=.029) and carotid artery distensibility(0.02±0.01 to 0.04±0.02 1/kPa, p=.002) were significantly increased in the exercise group, while there were no significant changes in mean IMT and FMD in the exercise group. These data indicate that recreational dance exercise reduces hs-CRP level and improves cardiorespiratory fitness, insulin sensitivity and carotid artery function in older women and these effects are not dependent on changes in traditional CVD risk factors.
Key words: carotid distensibility, older women, recreational dance exercise, vascular structure, vascular function
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