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복합운동이 전단계노쇠 고령 여성의 노쇠지표, 경동맥 경직도 및 탄성도에 미치는 영향
장윤정 ( Yung-jung Jang ),김태규 ( Tea-kyu Kim ),박진기 ( Jin-kee Park ) 한국운동생리학회(구 한국운동과학회) 2020 운동과학 Vol.29 No.3
PURPOSE: We studied the effects of combined exercise (CE) on frailty index, physical function, carotid artery (CA) distensibility, and beta-stiffness in pre-frailty older women. METHODS: A total of 27 pre-frailty older women (aged 70.6±4.0 years), who were divided into a control group (n=13) and a supervised CE group (n=14). The 12-week CE program (resistance and aerobic exercise) consisted of sessions 50 minutes in length 3 days per week under the supervision of an exercise specialist. Frailty index, blood pressure, physical function, and CA function were assessed. RESULTS: Frailty status showed a significantly (p=.001) group×time interaction. Also, physical activity (p=.019), walking speed (p=.049), and right grip strength (p=.040) showed a significantly group×time interaction. In the CE group, physical activity, walking speed, and right grip strength were significantly (p=.001, p<.001, p<.001) increased, and frailty state was significantly (p<.001) decreased 12-week. Left CA distensibility (p=.032), and beta-stiffness (p=.033) showed a significantly group×time interaction. In the CE group, CA distensibility was significantly (p<.05) increased, and CA beta-stiffness was significantly (p<.01) decreased after 12-week. CONCLUSIONS: In pre-frail older adult women, CE effectively improves frailty index, CA stiffness, and distensibility.