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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 1 - 10 (10page)
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초록· 키워드
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Background: Winged scapular (WS) causes muscle imbalance with abnormal patterns when moving the arm. In particular, the over-activation of the upper trapezius (UT) and decrease in activity of the lower trapezius (LT) and serratus anterior (SA) produce abnormal scapulohumeral rhythm. Therefore, the SA requires special attention in all shoulder rehabilitation programs. In fact, many previous studies have been devoted to the SA muscle strength training needed for WS correction. Objects: The purpose of this study was to investigate the effect of shoulder girdle muscle and ratio according to the angle of shoulder abduction and external weight in supine position. Methods: Twenty three WS patients participated in this experiment. They performed scapular protraction exercise in supine position with the weights of 0 ㎏, 1 ㎏, 1.5 ㎏, and 2 ㎏ at shoulder abduction angles of 0˚, 30˚, 60˚, and 90˚. The angle and weight applications were randomized. Surface electromyography (EMG) was used to collect the EMG data of the SA, pectoralis major (PM), and UT during the exercise. The ratio of PM/SA and UT/SA was confirmed. Two-way repeated analyses of variance were used to determine the statistical significance of SA, PM, and UT and the ratios of PM/SA and UT/SA. Results: There was a significant difference in SA according to angle (p<.05). Significant differences were also identified depending on the angle and weight (p<.05). The angle of abduction at 0˚, 30˚ and weight of 2 ㎏ showed the highest SA activity. However, there was no significant difference between PM and UT (p>.05). There was a significant difference between PM/SA and UT/SA in ratio of muscle activity according to angle (p<.05). Significant differences were found at PM/SA angles of 30˚, 60˚ and 90˚ (p<.05). For UT/SA, significant difference was only observed at 90˚ (p<.05). Conclusion: Based on the results of this study, in order to strengthen the SA, it was found to be most effective to use 1 and 1.5 ㎏ weights with abduction angles of 0˚ and 30˚ at shoulder protraction in supine position.
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참고문헌 (36)
참고문헌 신청
Christoffer H. Andersen / 2012 / Scapular Muscle Activity from Selected Strengthening Exercises Performed at Low and High Intensities / Journal of Strength and Conditioning Research 26(9):2408~2416
Kenneth Chance-Larsen / 2010 / Prone hip extension with lower abdominal hollowing improves the relative timing of gluteus maximus activation in relation to biceps femoris / Manual Therapy 15(1):61~65
Woo-Jeong Choi / 2017 / Different weight bearing push-up plus exercises with and without isometric horizontal abduction in subjects with scapular winging: A randomized trial / Journal of Bodywork and Movement Therapies 21(3):582~588
Ann M. Cools / 2017 / Rehabilitation of Scapular Muscle Balance / The American Journal of Sports Medicine 35(10):1744~1751
Michael J. Decker / 2016 / Serratus Anterior Muscle Activity During Selected Rehabilitation Exercises / The American Journal of Sports Medicine 27(6):784~791
Kenneth Chance-Larsen / 2010 / Prone hip extension with lower abdominal hollowing improves the relative timing of gluteus maximus activation in relation to biceps femoris / Manual Therapy 15(1):61~65
Woo-Jeong Choi / 2017 / Different weight bearing push-up plus exercises with and without isometric horizontal abduction in subjects with scapular winging: A randomized trial / Journal of Bodywork and Movement Therapies 21(3):582~588
Ann M. Cools / 2017 / Rehabilitation of Scapular Muscle Balance / The American Journal of Sports Medicine 35(10):1744~1751
Michael J. Decker / 2016 / Serratus Anterior Muscle Activity During Selected Rehabilitation Exercises / The American Journal of Sports Medicine 27(6):784~791
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