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研究生:李昀儒
研究生(外文):Yun-Ju Lee
論文名稱:影響起始推進動作軀幹肌肉活動之因素探討
論文名稱(外文):Factors Affecting Trunk Muscular Activities When Initiating a Pushing Task
指導教授:林燕慧林燕慧引用關係
指導教授(外文):Yang-Hwa Lin
學位類別:碩士
校院名稱:長庚大學
系所名稱:復健科學研究所
學門:醫藥衛生學門
學類:復健醫學學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:109
中文關鍵詞:軀幹肌肉活動推進高度推進重量推進姿勢推進力
外文關鍵詞:trunk muscle activationpushing heightpushing weightpushing posturepushing force
相關次數:
  • 被引用被引用:1
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:1
背景: 推進任務(pushing tasks)為主要的人工物料搬運方式之一。其發生下背痛可達20%。推進動作的相關研究顯示,軀幹肌肉會因較高的上肢位置與較重的物件,產生較大的肌肉活動程度變化。連續的推進行為的發生並未完整記錄與討論軀幹肌肉活動的表現與推進動作的關係。本篇研究的主要目的在於探討推進起始動作時,於不同推進握把位置高度、推進重量,與推進姿勢對推進力和軀幹肌肉活動程度的影響。方法: 共計徵召30位近日未有背部受傷經驗的受試者參與。受試者分別進行兩種高度、三種重量,三種姿勢總共十八種不同狀況的推進任務。以BIOPAC MP150系統進行訊號擷取記錄軀幹肌肉(左右兩側腹直肌、腹外斜肌和豎棘肌共計六條肌肉)其活動程度的變化。同時以荷重元件紀錄推進時手部施力,以及利用錄影動作分析系統分析計算軀幹角度與跨步側髖關節角度變化。結果: 握把高度、推進重量和推進姿勢之間交互作用顯著影響雙側腹直肌和腹外斜肌(p<0.01)。雙側豎棘肌肌肉活動程度和推進力顯著受到握把高度和推進姿勢或推進重量和推進姿勢交互作用的影響(p<0.01)。雙側軀幹肌肉肌肉活動程度彼此間呈顯著正相關(p<0.01)。右手推進力與同側腹肌(腹直肌, r=0.372, p<0.05;和腹外斜肌, r=0.448, p<0.05)肌肉活動程度呈顯著正相關。結論: 當放置於高位握把起始推進較重的重量達較多軀幹屈曲的推進姿勢時產生顯著增加腹肌群(腹直肌和腹外斜肌)肌肉活動程度。而於低位握把起始推進較多軀幹屈曲推進姿勢或起始推進較重推車達較多軀幹屈曲的推進姿勢皆會伴隨產生較大的肌肉活動。
Background and purpose: Pushing tasks were associated with up to 20% of back injuries. Although it has been identified the trunk muscle activations were associated with the static pushing works. The purpose of this study is to explore the relationship between trunk muscles activation and hand force with the different pushing height, pushing weight, and pushing posture when initiating dynamic pushing tasks. Methods: Thirty volunteers without back injury and any other musculoskeletal disorders within the past 12 months as subjects are recruited in this study. Subjects push eighteen different conditions with two pushing heights, three pushing weights and three postures. During dynamic pushing tasks, uses BIOPAC system to acquire data of the trunk muscle activation, and measures hand force with load cell, and trunk posture with motion analysis. Results: The interaction among handle height, pushing weight and pushing posture significantly influenced the bilateralrectus abdominis (RA) and external oblique (EO) muscle activations (p<0.01).Two bilateral erector spinae (ES) muscle activation and pushing force were existed the effects of the interactions between handle height and pushing posture or pushing weight and pushing posture (p<0.01). The trunk muscles of the right side showed the positive correlation with the left side (p<0.01). The hand force of right hand showed the positive correlation with lpsilateral RA and EO (r=0.372, p<0.05; r=0.448, p<0.05). Conclusion: The trunk muscle activation resulted from the different pushing heights, weights and postures. There were more abdominal muscles activations when pushing the heavier pushing weight with the more trunk flexion and the higher handle bar. Bilateal ES muscle created less muscle activations when pushing with lower handle bar and less trunk flexion.
指導教授推薦書
口試委員審定書
長庚大學博碩士紙本論文著作授權書........iii
誌謝........iv
中文摘要........v
Abstract........vii
第一章 緒論........1
1.1 研究背景........1
1.2 研究動機........3
第二章 文獻回顧........4
2.1 推進任務與下背傷害的發生........4
2.2 推進動作機制........6
2.2.1 推進力的產生........6
2.2.2 軀幹姿勢改變對肌肉作用的影響........10
2.3 推進任務........13
2.3.1 靜態推進任務........13
2.3.2 動態推進任務........16
2.4 研究目的........19
2.5 研究假設........20
2.6 操作性名詞定義........20
第三章 研究方法........24
3.1 研究架構........24
3.2 研究對象........26
3.2.1 收案標準........26
3.2.1 排案標準........26
3.3 研究儀器及使用目的........27
3.3.1 推進工具........27
3.3.2 肌肉活動電位訊號擷取系統........28
3.3.3 荷重元擷取系統........29
3.3.4 動作分析系統........30
3.4 研究步驟........30
3.4.1 研究程序流程........30
3.4.2 研究步驟........31
3.5 資料處理與分析........37
3.5.1 推進力訊號分析........37
3.5.2 軀幹姿勢運動學分析........38
3.5.3 肌肉活動電位訊號圖分析........40
3.6 統計分析........41
3.7 研究範圍與限制........42
第四章 結果........51
4.1 受測者基本特徵........51
4.2 起始推進任務的參數對肌肉活動程度之影響........51
4.3 起始推進任務的參數對推進力之影響........55
4.4 起始推進任務的參數對軀幹姿勢之影響........58
4.5 變數間相關性於起始推進任務之探討........61
4.5.1 雙側軀幹肌肉活動程度之相關性........61
4.5.2 軀幹肌肉活動程度與推進力之相關性........64
4.5.3 軀幹肌肉活動程度與軀幹姿勢之相關性........65
第五章 討論........78
5.1 起始推進動作的參數對腹肌活動之影響........78
5.2 起始推進動作的參數對背肌活動之影響........82
5.3 起始推進動作的參數對推進力之影響........85
5.4 研究限制........89
5.5 未來研究方向........90
5.6 臨床意義........91
第六章 結論........96
參考文獻........97
附錄........103
附錄一 人體試驗委員會同意書........103
附錄二 受試者同意書........104
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