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題名 | 探討不同程度骨骼肌肉系統症狀電腦族在從事不同速度電腦作業時之姿勢控制之比較:前趨研究=Comparison of Posture Control among Subjects with Different Levels of Musculoskeletal Aymptoms while Performing Computer Tasks at Different Speeds: A Pilot Study |
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作者 | 楊政峰; 卓瓊鈺; 陳宜紋; | 書刊名 | 物理治療 |
卷期 | 37:3 2012.09[民101.09] |
頁次 | 頁245-252 |
分類號 | 416.26 |
關鍵詞 | 骨骼肌肉系統症狀; 電腦族; 姿勢; Musculoskeletal symptoms; Computer users; Posture; |
語文 | 中文(Chinese) |
中文摘要 | 目的:本次實驗目的旨在比較三組不同程度症狀的電腦族在從事不同速度打字測試時上半身與上肢姿勢控制之異同。方法:志顧參加者依據頸部、上背、肩部三部位疼痛分數總和分為三組,輕度組為疼痛分數小於或等於2分、中度組疼痛分數大於2分但小於或等於6分、重度組之疼痛分數大於6分。實驗共分二階段:(1)受試者以自選速度打一段文章8分鐘。(2)則是在8分鐘內儘可能以自覺1.2倍速度打字。研究者會在過程前、中、後時間分別測量受試者的姿勢。本實驗使用重複測量變異數分析來測試組間、不同打字速度與不同時間上半身與上肢動作角度差異,所有統計方法的顯著水準皆訂於0.05。結果:本研究共測試13位受試者,分別為輕度5人,中度4人,重度4人。結果發現,在頭彎曲角度部份有速度及時間的交互作用(p=0.02)。在頸彎曲角度,則發現有速度及組別的交互作用(p=0.002)。事後統計顯示重度組在速度加快時明顯增加其頸彎曲角度。而在肘彎曲角度,研究者發現有時間、組別與速度三因子的交互作用(p=0.002)。事後分析發現輕度組與中度組在自選速度打字時可以隨著打字時間增加而改變手肘姿勢,但重度組則習慣維持在較固定的姿勢。在手腕尺側彎曲角度部份則發現有速度及時間的交互作用,在自選速度打字時,受試者可以隨著打字時間增加而改變手腕尺側彎曲角度,但快速打字則維持在較固定的姿勢。結論:電腦族在從事打字工作時,症狀比較嚴重者在快速打字時會明顯增加頸部彎曲的角度,而這個族群也習慣在整段打字時間明顯固定手肘彎曲的角度。因此。物理治療師在面對不同程度症狀族群設計物理治療計劃時,應視症狀程度給予不同的建議。 |
英文摘要 | Purpose: The present study aimed to compare the differences of the upper trunk and upper extremity postures among computer users with different levels of musculoskeletal symptoms. Furthermore, we also would like to investigate the association between postures and musculoskeletal pain. Methods: Computer users with different levels of musculoskeletal pain were recruited. According to their total pain score of neck, shoulder, and upper back, subjects were divided into three groups: mild (pain score≤2), moderate (2<pain score≤6) and severe pain (pain score>6) groups. During the experiment, subjects were asked to perform 8 min preferred speed and 8 min fast speed typing tasks. Postures were captured in the beginning, middle, and the end of each typing task by a motion analysis system. Repeated measures ANOVA was used to test the effect of group, typing speed, and time. Results: Totally 13 subjects were recruited, including 5 in the mild, 4 in the moderate, and 4 in the severe group. For head flexion, there was a significant speed X time interaction found. For neck flexion, there was a significant speed X group interaction (p=0.002). Post hoc analysis revealed that people in the severe group tended to significantly increase their neck flexion angle as typing speed increased. For elbow flexion, there was a significant time, group and speed interaction (p=0.002). Post hoc analysis revealed that people in the severe group tended to maintain the elbow angle throughout the 8 min preferred speed typing, while the other two groups were more variable. For wrist ulnar deviation, there was a significant speed X time interaction. During preferred speed, subjects could easily change their ulnar deviation angle, but not during fast typing. Conclusion: The results of this study suggested that computer users with a higher level of pain tended to have a greater neck flexion angle during fast speed typing. Moreover, they also tended to have a more fixed elbow posture while performing the typing task. The results of this study suggested that when a physical therapist tried to design a treatment program for people with musculoskeletal symptoms, they should consider subjects' severity of pain. |
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