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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 11 - 19 (9page)
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초록· 키워드
오류제보하기
Background: Methods for exercising serratus anterior (SA) and upper trapezius (UT) muscles are important for the recovery of patients with various shoulder disorders, yet the efficacy of closed or open kinetic chain exercises have not yet been evaluated.
Objects: The purpose of this study was to compare the activation of the SA and UT muscles during scapular protraction considering both closed and open kinetic chain exercises.
Methods: Thirty subjects were randomly divided into experimental groups (closed kinetic chain exercise) and control groups (open kinetic chain exercise) in which scapular protraction was performed at 90° or 125° shoulder flexion. Electromyographic activity data were collected from the SA and UT muscles per position and exercise method.
Results: Separate mixed 2-way analysis of variance showed significant differences in the activation of the SA (F1,28=6.447, p=.017) and the UT (F1,28=35.450, p=.001) muscles between the groups at 90° and 125° shoulder flexion. Also, the SA/UT ratio measures at 90° and 125° shoulder flexion significantly differed between the groups (F1,28=15.457, p=.001). That is, the closed chain exercise was more effective than open chain exercise for strengthening the SA muscle and controlling the UT muscle, 125° of shoulder joint was more effective than 90°.
Conclusion: The findings suggest that scapular protraction with shoulder 125° flexion at the closed kinetic chain exercise may be more effective in increasing SA muscle activation and decreasing UT muscle activation as well as increasing the SA/UT ratio than open kinetic chain exercise.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Andre Luiz Torres Piraua / 2014 / Electromyographic analysis of the serratus anterior and trapezius muscles duri
Birgit Castelein / 2016 / Serratus anterior or pectoralis minor: Which muscle has the upper hand during protraction exercises? / Manual Therapy 22 : 158 ~ 164
C.M. Larsen / 2013 / Neuromuscular control of scapula muscles during a voluntary task in subjects with Subacromial Impingement Syndrome. A case-control study / Journal of El
Cools AM / 2003 / Scapular muscle recruitment patterns : Trapezius muscle latency with and without impingement symptoms / Am J Sports Med 31 (4) : 542 ~ 549
Criswell E / 2010 / Cram’s introduction to surface Electromyography / Jones and Bartlett Publishers : 289 ~ 291
Birgit Castelein / 2016 / Serratus anterior or pectoralis minor: Which muscle has the upper hand during protraction exercises? / Manual Therapy 22 : 158 ~ 164
C.M. Larsen / 2013 / Neuromuscular control of scapula muscles during a voluntary task in subjects with Subacromial Impingement Syndrome. A case-control study / Journal of El
Cools AM / 2003 / Scapular muscle recruitment patterns : Trapezius muscle latency with and without impingement symptoms / Am J Sports Med 31 (4) : 542 ~ 549
Criswell E / 2010 / Cram’s introduction to surface Electromyography / Jones and Bartlett Publishers : 289 ~ 291
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