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
- 2018.12
- 수록면
- 38 - 42 (5page)
- DOI
- 10.29273/jmst.2018.2.2.38
이용수
초록· 키워드
오류제보하기
ABSTRACT Background To normalize infraspinatus muscle activity among different exercises or positions, it is necessary to isolate the infraspinatus from the surrounding musculature.
Purpose We sought to determine the best position in which to obtain an isolated infraspinatus electromyography (EMG) signal for normalization of the infraspinatus muscle in four selected positions.
Study design Comparative, repeated measures design.
Methods To measure infraspinatus maximal voluntary muscle contraction (MVIC), 13 healthy participants performed four test positions (side-lying with the shoulder adducted, prone, shoulder abducted, and side-lying wiper external rotation [SWE]). EMG activity was measured in the infraspinatus, middle trapezius, and posterior deltoid muscles.
Results The EMG ratio was significantly higher for SWE than for the other test positions. To maximize the EMG ratio, high infraspinatus activity and low surrounding muscle (middle trapezius and posterior deltoid) activity are required.
Conclusions We recommend switching from prone external rotation to SWE to normalize the infraspinatus EMG signal.
목차
등록된 정보가 없습니다.
참고문헌 (14)
참고문헌 신청
Ballantyne BT / 1993 / Electromyographic activity of selected shoulder muscles in commonly used therapeutic exercises / Phys Ther 73(10):668~677
Bitter NL / 2007 / Relative contributions of infraspinatus and deltoid during external rotation in healthy shoulders / J Shoulder Elbow Surg 16(5):563~568
Ekstrom RA / 2000 / Surface electromyographic analysis of exercises for the trapezius and serratus anterior muscles / J Orthop Sports Phys Ther 33(5):247~258
Allison GT / 1998 / EMG signal amplitude assessment during abdominal bracing and hollowing / J Electromyogr Kinesiol 8(1):51~57
Reinold MM / 2004 / Electromyographic analysis of the rotator cuff and deltoid musculature during common shoulder external rotation exercises / J Orthop Sports Phys Ther 34(7):385~394
Bitter NL / 2007 / Relative contributions of infraspinatus and deltoid during external rotation in healthy shoulders / J Shoulder Elbow Surg 16(5):563~568
Ekstrom RA / 2000 / Surface electromyographic analysis of exercises for the trapezius and serratus anterior muscles / J Orthop Sports Phys Ther 33(5):247~258
Allison GT / 1998 / EMG signal amplitude assessment during abdominal bracing and hollowing / J Electromyogr Kinesiol 8(1):51~57
Reinold MM / 2004 / Electromyographic analysis of the rotator cuff and deltoid musculature during common shoulder external rotation exercises / J Orthop Sports Phys Ther 34(7):385~394
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