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研究生: 李秉宏
Lee, Ping-Hung
論文名稱: 少量感測元件不同擺放位置對扁平足步態動力學參數量測準確度之影響
Accuracy of measuring flatfoot gait kinetic parameters of different pressure sensor positions
指導教授: 相子元
Shiang, Tzyy-Yuang
學位類別: 碩士
Master
系所名稱: 運動競技學系
Department of Athletic Performance
論文出版年: 2020
畢業學年度: 108
語文別: 中文
論文頁數: 44
中文關鍵詞: 鞋內足壓系統垂直地面反作用力足底壓力中心
英文關鍵詞: plantar pressure system, vertical ground reaction force, center of pressure
DOI URL: http://doi.org/10.6345/NTNU202000895
論文種類: 學術論文
相關次數: 點閱:184下載:23
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  • 本研究欲探討少量感測元件不同擺放位置對於量測扁平足之足底壓力中心 (CoP) 以及垂直地面反作用力 (vGRF) 準確度之相關性程度為何。招募12名扁平足的受試者進行指定速度之慢走、快走、慢跑及快跑。以 Pedar-X system 紀錄試驗中穩定走跑的足底壓力值。以11個壓力感測元件組成的4種擺放位置 (配置一為過去文獻配置、配置二為平均陣列配置、配置三為扁平足CoP軌跡上、配置四為扁平足CoP軌跡兩側)。利用皮爾森相關係數 (PCC) 及方均根誤差 (RMSE) 比較4種擺放位置與黃金標準之CoP軌跡及vGRF的相關性。結果顯示各配置所量測之CoP軌跡與黃金標準相關性皆達顯著且高度相關,感測元件以較平均且範圍較大的擺放位置所預測CoP之RMSE與黃金標準相比誤差較低;各配置所量測之vGRF與黃金標準相關性也皆達顯著且高度相關。本研究結果可以提供鞋墊式足壓系統開發相關之應用,透過擺放位置的選擇即可準確的量測到扁平足CoP及vGRF這兩項步態動力學參數。

    The purpose of this study is to define the accuracy of how few pressure sensors’ position effects the center of pressure (CoP) and vertical ground reaction force (vGRF) for a flat foot. Twelve males with flat foot walk and run at selected speed. Settled with eleven pressure sensors, the pressure value of stable walking and running test is recorded by Pedar-X system four positions (the first position is referring to the past literature ; the second position is average array; the third position is flat-footed CoP trajectory and the fourth position is on both sides of the flat-footed CoP trajectory), which are compared with golden standard for CoP trajectories and vGRF by Pearson’s correlation coefficient (PCC) and root mean square error (RMSE). According to the results, the CoP trajectory has the higher correlation at the fourth position, the RMSE of CoP has the lower deviation at the second position, and the vGRF has the higher correlation at the first and second position. The result of this study can provide applications related to the development of insole plantar pressure system. The flatfoot gait kinetic parameters of CoP and vGRF can be accurately measured through the choice of sensor position.

    第壹章 緒論 1 第一節 研究背景 1 第二節 研究問題 2 第三節 研究目的 3 第四節 研究假設 3 第五節 研究範圍與限制 4 第六節 研究重要性 4 第七節 操作性名詞定義解釋 4 第貳章 文獻探討 5 第一節 扁平足步態動力學參數之研究 5 第二節 少量感測元件擺放位置之研究 8 第三節 文獻探討總結 11 第參章 研究方法 12 第一節 實驗參與者 12 第二節 實驗設備 14 第三節 實驗步驟 15 第四節 資料處理 16 第五節 統計分析 18 第肆章 結果 19 第一節 足底壓力中心 19 第二節 垂直地面反作用力 23 第伍章 討論與建議 30 第一節 足底壓力中心 30 第二節 垂直地面反作用力 33 第三節 結論與建議 34 引用文獻 36 附錄一 受試者實驗須知 42 附錄二 受試者同意書 43 附錄三 受試者基本資料表 44

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