以計步器評估老年人身體活動量與功能性體適能之關係

Relationship between Pedometer-based Physical Activity and Functional Fitness in Older Adults

陳秀惠(Hsiu-Hui Chen)；黃瓊慧(Chyong-Huoy Huang)；簡如君(Ju-Chun Chien)

每日行走步數 ； 走路功能 ； 日常生活能力 ； daily steps ； walking ability ； activities of daily living

興大體育學刊

17期（2018 / 01 / 01）

55 - 67

繁體中文

目的：本研究目的在探討以計步評估之老年人身體活動量與功能性體適能之係。方法：計有78名健康老年人參加本研究（男性11人，女性67人，平均年齡74.8±6.61歲），老年人身體活動量以連續七天配戴計步墨並取其每日平均值表示，功能性體適能檢溝項目包含肱二頭肌手臂屈舉，30秒坐站，椅子坐椅前彎、抓背測驗、開眼單足立及2.44起身繞行，另再加上五公尺步行測驗以了解受試者之步行能力。結果：老年人的每日平均行走步數與五公尺步行（r=-0.25，p：05），2.44起身繞行時間（r -0.26，p ＜.05）呈顯著負相關：和步速達顯著正相關（r-025，p ＜.05），但與肱二頭肌手臂屈舉、30秒坐站、抓背測驗、開眼單足立及椅子坐椅前彎測驗結果未達顯著相關。將功能性體適能檢測結果與其他生理基礎測量指標一起進行迴歸分析，每日平均行走步數（身體活動量）預測公式為：老年人身體活動量（每日平均行走步數。16282.09-84.68（腰圍）-947.95(五公尺步行時間)。結論：本研究結果顯示老年人的身體活動量較高者，行走能力及敏捷性/動態平衡能力較佳。

Purpose: The purpose of this study was to examine the association between pedometer-determined physical activity measured in steps per day and functional fitness in community-dwelling. Method: Seventy-eight healthy elderly participated in the study (11 males, 64 females, aged 74.8±6.61 years). Each subject wore a pedometer for 7 days to average number of daily steps taken each day. The functional fitness included arm curl test, sit and stand, chair sit and reach, back scratch, one-leg standing with eyes open and 8-foot up-and-go test. For assessment of walking ability, participants were instructed to performed 5 meter walk test. Results: Significant negative correlation (p＜.05) were found between average steps per day and 5 meter walk test (r=-0.25, p＜.05) and 8-foot up-and-go test (r=-0.26, p＜.05), whereas walking speed was positively related to daily steps in older adults (r=0.25, p＜.05). Arm curl test, sit and stand, chair sit and reach, back scratch and one-leg standing with eyes open, however, were not significantly correlated to physical activity. Stepwise multiple regression was performed between daily steps and functional fitness parameter and anthropometric measurements. The regression equation for estimating physical activity was daily steps =16282.09-84.68 (waist circumference) -947.95 (5 meter walk test). Conclusions: Older adults who took more daily steps had better walking ability and agility/dynamic balance.

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