| 근력과 동맥경직도와의 관련성 |
| 박수현1, 윤은선1, 정솔지2, 제세영1 |
1서울시립대학교
2삼성서울병원 |
| Association between muscular strength and arterial stiffness in healthy adults. |
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| ABSTRACT |
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Muscular strength is inversely associated with incidence of diabetes mellitus, hypertension, and mortality, and these associations are independent of associations with cardiorespiratory fitness. The aim of this study was to investigate the relationship between muscular strength and central arterial stiffness. Augmentation index (AIx), muscular strength, and cardiorespiratory fitness (VO2max) were measured in 59 healthy male and female (age=41±12 yr, BMI=24.3±3.3 kg/m2). Height, weight, BMI, brachial blood pressure, central blood pressure were also recorded. Muscular strength was determined using isokinetic device (Biodex medical systems). Spearman correlations were used to determine the relationships between relative strength and arterial stiffness. One-way ANOVA were to determine different arterial stiffness each groups. There was a significant negative correlation between AIx and flexion 60°/sec right peak (r=-.371, p=.003), extension 60°/sec left peak (r=-.298, p=.014), extension 60°/sec right peak (r=-.243, p=.038), also AIx@75 and flexion 60°/sec right peak (r=-.341, p=.006), extension 60°/sec left peak (r=-.253, p=.032), flexion 180°/sec left peak (r=-.248 p=.035). lower limb flexor (left, p<0.05; right, p<0.05) and extensor (left, p<0.01; right, p<0.05) were significantly low level of AIx high muscular level group than low muscular level group. These results show that there is a significant inverse association between muscular strength and arterial stiffness independent of cardiorespiratory fitness. Also, low strength group increased significantly arterial stiffness than high strength group. |
| Key words:
Muscular strength, Arterial stiffness, Augmentation index (AIx), Cardiovascular risk factor |
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