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.
초록· 키워드
오류제보하기
PURPOSE: The objective of this study was to identify the effects of shoulder abduction strength and EMG activities of the selected scapular and shoulder muscles during isometric shoulder abduction. METHODS: Thirty-four healthy young females were recruited for this study. Surface EMG equipment with inline force sensor was used to determine the shoulder abductor strength and the activity of the serratus anterior (SA), upper trapezius (UT), lower trapezius (LT), and middle deltoid (MD) during three shoe heel height conditions: (1) barefoot, (2) 3-cm shoe heel height, and (3) 7-cm shoe heel height. RESULTS: Isometric shoulder strength showed statistically significant difference among the conditions (p<0.05), and post-hoc test showed lower strength during the 7-cm condition ($49.98{\pm}17.56kg$) than during the barefoot ($44.97{\pm}20.15kg$) and 3-cm conditions ($36.59{\pm}17.07kg$). Furthermore, EMG activities of the SA, UT, and MD appeared to be statistically significantly different among the conditions, with lower values in the 7-cm condition compared to the barefoot condition (p<0.05). EMG ratios (MD/UT and SA/UT) were lower during the 7-cm condition than during the barefoot condition (p<0.05). CONCLUSION: These findings suggest that isometric shoulder abduction strength and EMG activities of scapular and shoulder muscles may be adversely changed with increasing shoe heel height.
목차
등록된 정보가 없습니다.
참고문헌 (34)
참고문헌 신청
Arlotta M / 2011 / Selective recruitment of the lower fibers of the trapezius muscle / J Electromyogr Kinesiol 21(3):403~410
Borstad JD. / 2006 / Resting position variables at the shoulder: Evidence to support a posture-impairment association / Phys Ther 86(4):549~557
Cools AM / 2007 / Rehabilitation of scapular muscle balance: Which exercises to prescribe? / Am J Sports Med 35(10):1744~1751
Cram JR / 1998 / Introduction to Surface Electromyography / Aspen Publishers
Crosbie J / 2008 / Scapulohumeral rhythm and associated spinal motion / Clin Biomech 23(2):184~192
Borstad JD. / 2006 / Resting position variables at the shoulder: Evidence to support a posture-impairment association / Phys Ther 86(4):549~557
Cools AM / 2007 / Rehabilitation of scapular muscle balance: Which exercises to prescribe? / Am J Sports Med 35(10):1744~1751
Cram JR / 1998 / Introduction to Surface Electromyography / Aspen Publishers
Crosbie J / 2008 / Scapulohumeral rhythm and associated spinal motion / Clin Biomech 23(2):184~192
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