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
- 2016.1
- 수록면
- 318 - 325 (8page)
이용수
초록· 키워드
오류제보하기
Objective To compare quantitative muscle activation between erect and slouched sitting postures in the muscles around the scapula, and to investigate the correlation between the angle of thoracic kyphosis and the alteration of muscle activity depending on two different sitting postures.Methods Ten healthy males participated in the study. Unilateral surface electromyography (SEMG) was performed for serratus anterior, middle trapezius (MT), and lower trapezius (LT), which are scapular stabilizer muscles, as well as latissimus dorsi. Participants elevated their shoulders for 3 seconds up to 90o abduction in the scapular plane, tilting 30o anterior in the coronal plane. They were told to hold the position for 10 seconds and voluntary isometric contractions were recorded by SEMG. These movement procedures were conducted for three times each for erect and slouched sitting postures and data were averaged.Results Activities of MT and LT increased significantly more in the slouched sitting posture than in the erect one. There was no significant correlation between kyphotic angle and the area under curve of each muscle.Conclusion Because MT and LT are known as prime movers of scapular rotation, the findings of this study support the notion that slouched sitting posture affects scapular movement. Such scapular dyskinesis during arm elevation leads to scapular stabilizers becoming overactive, and is relevant to muscle fatigue. Thus, slouched sitting posture could be one of the risk factors involved in musculoskeletal pain around scapulae.
목차
등록된 정보가 없습니다.
참고문헌 (27)
참고문헌 신청
Dolan KJ / 2006 / Lumbar spine reposition sense: the effect of a ‘slouched’ posture / Man Ther 11:202~207
Kleine BU / 1999 / Surface EMG of shoulder and back muscles and posture analysis in secretaries typing at visual display units / Int Arch Occup Environ Health 72:387~394
Mirbagheri SS / 2015 / Evaluating kyphosis and lordosis in students by using a flexible ruler and their relationship with severity and frequency of thoracic and lumbar pain / Asian Spine J 9:416~422
Snijders CJ / 2008 / Effects of slouching and muscle contraction on the strain of the iliolumbar ligament / Man Ther 13:325~333
Caneiro JP / 2010 / The influence of different sitting postures on head/neck posture and muscle activity / Man Ther 15:54~60
Kleine BU / 1999 / Surface EMG of shoulder and back muscles and posture analysis in secretaries typing at visual display units / Int Arch Occup Environ Health 72:387~394
Mirbagheri SS / 2015 / Evaluating kyphosis and lordosis in students by using a flexible ruler and their relationship with severity and frequency of thoracic and lumbar pain / Asian Spine J 9:416~422
Snijders CJ / 2008 / Effects of slouching and muscle contraction on the strain of the iliolumbar ligament / Man Ther 13:325~333
Caneiro JP / 2010 / The influence of different sitting postures on head/neck posture and muscle activity / Man Ther 15:54~60
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