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頁籤選單縮合
題名 | A Measurement System for the Motion of Shoulder Joint Using a Magnetic Tracking Device-A Pilot Study=以電磁追蹤器作肩關節運動分析之量測系統 |
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作者 | 張維寧; 吳鴻文; 陳家進; 蘇芳慶; 黃志賢; 陳昭彥; | 書刊名 | 中華醫學工程學刊 |
卷期 | 18:1 1998.03[民87.03] |
頁次 | 頁1-7 |
分類號 | 410.1644 |
關鍵詞 | 肩關節; 運動分析; 電磁追蹤系統; Shoulder; Motion analysis; Magnetic tracking device; |
語文 | 英文(English) |
中文摘要 | 肩關節活動度的檢查,傳統上可用肉眼目測、塑膠尺、電子量角器、靜態X光片、 螢光透視儀、光學動態分析系統等等。然而各種方法得各有其限制,例如不夠客觀(目測法 和塑膠尺測量法); 具有侵入性(照射 X 光);無法測即時動態資料(目測法、塑膠尺測 量法、靜態 X 光);以及設備昂貴不易取得(螢光透視儀及光學動態分析系統)等等。 現 有一種電磁感應追蹤系統,可由一傳送器產生一低頻磁場,而磁場中之接收器則可感知其相 對於傳送器之三度空間之位置及方向。本實驗之目的乃試圖將此系統應用於肩關節之動態分 析。此系統之評估結果客觀,可取得動態資料,體積輕便,不具侵入性,且較螢光透視儀及 反光球動態分析系統便宜許多。經由此系統所取得之資料可代入個人電腦之 Matlab 軟體作 分析處理。 本實驗並將電磁追蹤系統所獲得之結果與目測法及靜態 X 光法作一比較,以探 討此系統之誤差大小及方向。我們所作的初期實驗顯示此系統所取得的動態資料對於肱骨軀 幹角之測量尚稱準確。對肩胛骨旋轉角之測量較不準確,但仍可顯示肩胛骨運動的某些生理 及病理現象。此系統對肩關節之動態分析具有實用價值,但須瞭解其優點及使用限制。 |
英文摘要 | The traditional tools for shoulder measurement include gross eye examination, plastic goniometer, electrognoiometer, plain film radiography,dynamic fluoroscopy, video-based motion analysis system (VMAS), etc. However, they have the drawbacks of oversubjective (gross eyes and plastic goniometer), invasive(X-ray), not real-time detection (gross eye, plastic goniometer, plain film), and not always available (fluoroscopy and VMAS) A three dimensional (3-D) magnetic tracking device(MTD) is currently available for the determination of the position and orientation of sensors relative to a source by utilizing the principle of low-frequency magnetic field technology. The purpose of this study is to design a shoulder complex motion analysis system using the MTD, which is inexpensive, objective, portable, non-invasive, and easy to use. The plastic goniometer and plain film examination data are taken for comparison with those of the MTD. This pilot study shows that the data acquired by this system is quite reliable for the measurement of the glenohumeral(GH) angle. The data for the measurement of scapular rotation(SR) angle are less reliable, but they do reveal information for some physiologic and pathologic conditions. This system, if applied appropriately, would be a useful tool in kinesiologic research of the shoulder. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。