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Rehabilitation Practice and Science

Translated Title

監督運動訓練對50歲以上社區居民健康相關體適能的影響

Abstract

Effects of supervised aerobic exercise training on physical fitness in aging community residents were highlighted in the study. 76 community-dwellers aged ＞ 50 years who completed an 8-week cohort study were included. All participants were instructed to walk ≥ 8000 steps per day (stp/d) and wore a smart watch to record the every-day step amount. The average number of everyday step amount in a week was used as the mean walking steps per day in a week. Among them, 39 participants were randomized to the supervised exercise training (SET) and 37 were allocated to the home exercise training (HET) groups. The SET participants underwent 24 sessions (3 times a week and 30 min/session) of supervised cycling training at the intensity of 70% of the maximum predicted heart rate within one week after entering the study. We assessed2-min step count to estimate the maximal oxygen consumption (e VO_(2max)), 5-time sit-to-stand duration to predict lower extremity muscle strength, normalized body fat mass (nBFM), normalized skeletal muscle mass (nSKM), calf circumference to reflect lower extremity skeletal muscle mass, and handgrip strength in all participants at baseline and the end of follow-up. The SET participants had a significant greater (p＜0.05) chance (female/male=81.0%/77.1%) to walk ≥ 8000 stp/d than the HET participants female/male=47.6%/44.3%). Significant increases of nSKM in both female (p＜0.001) and male (p=0.043) were observed after completing SET. A significant decrease (p=0.019) of nBFM was observed in female SET participants at the end of follow-up. In the female SET participants, the 5-time sit-to-stand duration significantly decreased (p=0.044) after 8-week of follow-up. In conclusion, SET facilitates exercise adherence to change body composition, which further improvs muscular fitness in communitydwellers age over 50 years.

Language

Traditional Chinese

First Page

125

Last Page

134

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