目的：探討不同性別與年齡層之中高齡者，其運動階段與知覺運動障礙之差異。方法：本研究使用問卷調查法，採立意取樣以台南市樂齡中心的中高齡者(50-69歲)為研究對象，所得資料的處理與分析包含描述性統計、卡方檢定、獨立樣本t考驗、單因子變異數分析、HSD事後比較。結果：運動階段以準備期者佔最多，其次是維持期者，其餘分別為行動期者、意圖期，而無意圖期者佔最少。性別與運動行為階段的分析，結果未達顯著，但是年齡層與運動行為階段有顯著相關，65-69歲之高齡者在行動期的比率明顯高於50-54歲、55-59歲及60-64歲之中高齡者。另一方面，不同性別之研究對象在知覺運動障礙上並無顯著差異，然而不同年齡層的研究對象在知覺運動障礙分析達到顯著的差異，年齡50-54歲者其評估運動知覺障礙時明顯高於60-64歲、55-59歲及65-69歲者。結論：不同年齡層之中高齡者所處的運動階段與知覺運動障礙有所差異，整體而言年齡越高者處於行動期較多，而年齡較低者反而知覺較多運動阻礙，可做為未來研究及健康促進計畫的參考。

The purpose of this study was to examine the stages of exercise and the perceived exercise barriers of the middle age and elderly. Data was collected by questionnaires. Middle age and elderly aged between 50-69 years old from Tainan senior centers finished the questionnaires. The data were analyzed by using the statistical software package SPSS for Windows 12, including descriptive statistics, chi-square test, independent samples t- test, one- way ANOVA, and HSD post hoc. The results indicated that in terms of the stages of exercise, the ＂Preparation Stage＂ had the most participants, ＂Maintenance Stage＂ are next. The gender did not reach the significant difference on the exercise behavior stages. However, the result revealed the significant difference between age group and exercise behavior stages. Age group 65-69 was significantly higher than the other age group (50-54, 55-59, 60-64) during the action stage. No significant difference existed for gender factor on the perceived barriers of exercise. However, there was significant difference between age group and the perceived exercise barriers. Age group 50-54 had significantly higher perceived exercise barriers than the other age group (60-64, 55-59,65-69). The finding of the present study could be fruitful for research on middle age and elderly.