頁籤選單縮合
題 名 | 坐到站之二維與三維動作分析比較:初步研究=Comparison of Two- and Three- Dimensional Motion Analysis for Evaluation of the Sit-to-Stand Movement: A Preliminary Study |
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作 者 | 陳麗秋; 陳昭瑩; 鄭素芳; 洪珍瑜; 鄭昶延; | 書刊名 | 中華民國物理治療學會雜誌 |
卷 期 | 23:4 1998.10[民87.10] |
頁 次 | 頁287-296 |
分類號 | 346.677 |
關鍵詞 | 坐到站; 動作分析; 效度; Sit-to-stand; Motion analysis; Validity; |
語 文 | 中文(Chinese) |
中文摘要 | 本實驗的目的在比較以二維與三維動作分析方法分析坐到站的運動學資料之差 異。受試者為4名健康的年輕男性,儀器包括3台攝影機、數位式時間紀錄器、與一部同步 紀錄器,同時紀錄坐到站動作。本實驗將坐到站過程分為三個動作期:向前彎曲期、動量轉 換期、與向上伸直期。動作資料使用Peak動作分析儀分別進行二維與三維動作分析,分析 坐到站中各動作期之起訖時間及軀幹、骨盆、髖、膝、與踝關節角度的變化。結果發現二種 動作分析方法所決定各動作期起訖時間相近(t<4.30, p>0.05)。大部分關節在所有動作期使 用二種分析方法所測得角度均呈高度線性相關(r>0.960, p<0.001),但骨盆角度的動量轉換 期與向上伸直期則呈現差至中度相關(r=0.150及0.573, p<0.001)。二種方法所測得之軀幹、 膝、與踝關節角度差異均<3°,骨盆與髖關節角度差異則分別為12.90°(佔三維動作分 析中骨盆總活動角度48.81%)與9.47°(佔三維動作分析中髖關節總活動角度17.72%)。 本研究結果顯示二維動作分析方法可用以測量坐到站的時間參數及軀幹與下肢的關節角度變 化,但若研究重點是在坐到站之骨盆動作時,則必須使用三維動作分析才能準確評估其坐到 站的運動學表現。(中華物療誌1998;23(4):287-296) |
英文摘要 | The purpose of this study was to compare tow- and three-dimensional motion analysis for evaluation of the sit-to-stand movement. Subjects consisted of four healthy young men. Reflective markers were placed on right acromial process, mia-iiiac crest, greater trochanter, lateral femoral epicondyle, lateral malleolus, and 5th metatarsal head, to define the trunk, pelvis, hip, knee, and ankle angles. The instrumentation used included three synchronized video cameras, one for two- dimensional and the others for three-dimensional analysis. Videotapes were digitized and analyzed using the Peak Performance Motion Analysis System. The sit-to-stand movement was divided into three phases: forward flexion, momentum transfer, and upward extension. Paired t-tests and Pearson product-moment correlation coefficients were used to compare the temporal and joint angle data between the two- and three-dimensional methods. The results showed that the two methods were similar in determining the onset and commencement of all phases (all t<4.30, p>0.1). For most joint angles, the correlations between the two methods were high in all phases (all r>0.96, p<0.001), the only exception was the pelvis in the momentum transfer and upward extension phases (r=0.150, 0.573, both p<0.001). Differences in angle measurement between the two methods were <3°for most joints, although the discrepancy between the two methods was 12.90°(48.81%) for the pelvis and 9.47°(17.72%) for the hip. Our findings indicate that the two- and three-dimensional methods provide equivalent information in measuring the temporal and angular data of trunk and lower extremities, but not for the pelvis, in the sit-to-stand movement. (JPTA ROC 1998;23 (4):287-296) |
本系統中英文摘要資訊取自各篇刊載內容。