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題 名 | 非侵入式腰椎活動能力評估模式開發研究 |
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作 者 | 李明義; 邱文科; 李永輝; 陳文哲; 林燕慧; | 書刊名 | 復健醫學會雜誌 |
卷 期 | 23:2 1995.12[民84.12] |
頁 次 | 頁141-152 |
分類號 | 418.92 |
關鍵詞 | 腰椎活動能力; 轉換模式; 腰椎能力; Lumbar spinal mobility; Transformation model; Spinal mobility assessment; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究係針對腰椎活動能力評估方法進行探討,重點在於1.比較侵入與非侵入式腰椎活動能力之評估方法2.建立、驗證與應用非侵入式腰椎活動能力評估模式,以利臨床評估下背功能。第一階段為了比較侵入與非侵入式量腰椎活動能力之差異,研究中共收集了24位志願者參與實驗,在矢狀面於直立、最大彎曲與最大伸展姿勢下,利用X光(侵入式)與動作分析系統(非侵入式)測量受試者背部皮表標記之座標值。經比較發現侵入與非侵入式腰椎活動能力之評估結果有顯著差異,這些差異與脊椎骨L1到S1長度差、L4部位脂肪厚度等體位測量因子有關,因此建議透過適當的評估轉換模式以減少非侵入式腰椎活動能力之衡量誤差,提高其臨床實用價值。本研究的第二階段是考慮背部表皮與體內腰椎位置測量結果之非線性差異,建立數學轉換模式。模式之建立係利用15位受者X光片標記座標值,以非線性迴歸方式建立評估轉換模式,再以7位受測者之X光片為資料與22位受試者之動作分析資料,分別驗證並應用評估模式。研究結果顯示,轉換模式無論在迴歸的判定係數、腰椎體絕對位置、腰椎角度、活動能力及腰椎活動貢獻度的預測誤差等均有理想的評估能力。 |
英文摘要 | Lumbar spinal flexion and extension motion was measured radiographically and from the back surface curvature (using motion analysis system) for evaluating lumbar spinal mobility (LSM). Twenty-four volunteers participated in this study and underwent lateral spinal radiographs and photographs in three postures (neutral, flexion and extension). The lumbar sacral angles (LSA) and the angles of each vertebral segment were obtained both from skin surface curvature and picture of X-ray. The results showed that the LSA and LSM remained the same either calculated based on Cobb angle or overly angle definition. To transform skin marker coordinates into corresponding vertebral body coordinates, a third order regression model was developed. The proposed transformation model demonstrated high coefficiency of determination (mean=84.05%) between transformed positions and actual positions in all vertebral bodies. Based on this model, global LSA and intersegmental spinal mobility were recalculated and compared with results from X-ray measurement data. The results showed that the inter-vertebral lumbar spinal mobility could be obtained with errors ranging from 0.06 to 0.62 degrees. The results of this study indicated that in addition to the total motion in region of lumbar spine, we are able to discriminate the contribution of intersegmental spinal mobility through way of "noninvasive" measurement. |
本系統中英文摘要資訊取自各篇刊載內容。