本研究旨在探討老年族群身體活動與靜態平衡表現的關係，並考驗不同年齡層老年族群靜態平衡表現的差異。以老年人身體活動量表調查身體活動量及身體活動類型，並施以五種測力板靜態平衡動作測驗，包含單足立、開閉眼開足立及開閉眼併足立，所量測之壓力中心擺動軌跡長度及擺動面積定義為靜態平衡表現。實驗共得37筆資料，平均年齡74.59±5.40歲，身高155.48±6.90公分，體重60.38±7.40公斤，所得資料分別以獨立樣本單因子變異數分析，比較不同年齡層老年族群身體活動量的差異；t檢定及混合設計二因子變異數分析，比較不同身體活動量以及不同年齡層老年族群在靜態平衡表現的差異，並檢驗不同身體活動量與不同年齡層老年族群在靜態平衡表現的交互作用；以及積差相關法分析老年族群不同身體活動類型與靜態平衡表現的相關性。研究結果顯示：一、不同身體活動量者的靜態平衡表現無顯著差異；二、不同身體活動類型與靜態平衡表現亦無顯著相關；三、不同年齡層之老年族群靜態平衡表現，僅開足立測驗之組間及組內皆達顯著差異；四、老年族群開閉眼靜態平衡表現有顯著差異。研究發現老年族群身體活動量普遍偏低，身體活動類型又偏向靜態或走路運動，使得不同身體活動量者的靜態平衡表現無明顯不同，然而老年族群靜態平衡表現卻明顯受視覺感官的影響。建議未來可考慮採用開足立方式增加老年族群靜態平衡表現測驗的鑑別性，並進一步探討影響老年族群平衡表現的因子，以利於擬定老年族群運動處方之參考。

The aims of this study were to investigate the relationships between physical activity amounts, physical activity types and static balance of the elderly, and to examine the static balance among five age groups in the elderly (65-69, 70-74, 75-79, 80-84, and 85+ years). Physical Activity Scale for the Elderly (PASE) was used to assess the physical activity amounts and types, and the static balance indicated the path length and the body sway area of center of pressure were measured by five static balance tests with the static force platform, including the one-leg standing with eyes open, two-leg standing with feet apart and together, two-leg stance positions were with eyes open and closed. Thirty-seven subjects who completed all measurements were, aged 74.59±5.40 years, height 155.48±6.90 cm, and weight 60.38±7.40 kg. Results showed: a) Static balance showed non significant differences among different levels of physical activity amounts. b) Static balance showed non significant correlations with various physical activity types. c) Two-leg standing with feet apart were significant different in both between- and within-subjects among the different age groups. d) Static balance performed with eyes open was significantly better than the eyes closed. It’s conclusion that physical activity amounts are low and the primary physical activity types are sedentary-orientated and walking for the older people. Hence, the physical activity of the elderly might be too light to affect the static balance. But the study findings inferred that the important of vision in the static balance of the elderly. Further investigations on the factors influenced balance of the elderly are required to improve the balance of the elderly, and to serve as references in exercise prescriptions for the elderly.

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