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標題: | 比較肌電訊號回饋與影像回饋訓練法於肩峰下夾擠族群之效果:
隨機控制實驗 Comparison of the effect of EMG biofeedback and video feedback in patients with subacromial impingement syndrome: a randomized control trial |
作者: | Wan-Yu Du 杜婉瑜 |
指導教授: | 林居正 |
關鍵字: | 肩峰下夾擠症候群,肌電生理回饋,影像回饋,隨機控制實驗,肌肉表現,肩胛骨動作, Subacromial impingement syndrome,EMG biofeedback,Video feedback,Randomized control trial,Muscle performance,Scapular kinematics, |
出版年 : | 2017 |
學位: | 碩士 |
摘要: | Background: Subacromial impingement syndrome (SIS) is associated with scapular dyskinesis, imbalanced scapular muscle activity. It is crucial to focus on scapular control during the initial stage of rehabilitation. Evidence showed that feedback can be beneficial to this population. However, it is unknown whether real-time electromyography (EMG) biofeedback or video feedback is optimal for improving scapular kinematics and muscle activity during functional tasks. Objective: There were 3 objectives for the present study: (1) to compare the effects between EMG and video feedback sessions on absolute muscle activity (UT, LT, SA), muscle balance ratios (UT/LT, UT/SA) and scapula kinematics (anterior/posterior tilt, external/ internal rotation, upward rotation) in SIS subjects during functional tasks ;(2) to compare the effects of feedback on absolute muscle activity, muscle balance ratios and scapula kinematics in SIS subjects during functional tasks; (3) to compare the effects of feedback training on shoulder girdle proprioception in SIS participants. Design: Patients with SIS and scapular dyskinesis (prominmence of medial border) was recruited in this study. Participants was randomized into EMG biofeedback group or video feedback group. Each patient learned to control their scapula through feedback session during arm elevation/ lowering in the scapula plane and placing a light load on a shoulder height desk. Three-dimensional electromagnetic motion analysis system and electromyography muscle activity was used to record scapular kinematics, absolute muscle activation and muscular balance ratios during tasks before and after feedback training. Main outcome measures: Scapula kinematics (internal/ external rotation, anterior/ posterior tilt, upward rotation), absolute muscle activity (UT, LT, SA) and muscle balance ratios (UT/LT, UT/ SA) were main outcomes of the study. Results: In comparisons of video group and EMG biofeedback group, EMG biofeedback group had significant increase in increased LT muscle activity and decrease in UT/LT. Both groups had decreased UT muscle activity, UT/LT, UT/SA and scapular internal rotation, increased LT muscle activity after feedback training. In contrast, subjects did not improve in shoulder girdle proprioception in either video group or EMG biofeedback group. Conclusion: It is suggested that EMG biofeedback application on SIS patients could maximize the learning effect on both muscle control and scapular correction. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/69042 |
DOI: | 10.6342/NTU201703362 |
全文授權: | 有償授權 |
顯示於系所單位: | 物理治療學系所 |
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