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
- 2015.1
- 수록면
- 950 - 956 (7page)
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초록· 키워드
오류제보하기
Objective To investigate the changes of activation of the abdominal muscles depending on exercise angles and whether the activation of rectus abdominis differs according to the location, during curl up and leg raise exercises, by measuring the thickness ratio of abdominal muscles using ultrasonography.
Methods We examined 30 normal adults without musculoskeletal problems. Muscle thickness was measured in the upper rectus abdominis (URA), lower rectus abdominis (LRA), obliquus externus (EO), obliquus internus (IO), and transversus abdominis (TrA), at pre-determined angles (30o, 60o, 90o) and additionally at the resting angle (0o). Muscle thickness ratio was calculated by dividing the resting (0o) thickness for each angle, and was used as reflection of muscle activity.
Results The muscle thickness ratio was significantly different depending on the angles in URA and LRA. For curl up—URA p=0 (30o<60o), p=0 (60o>90o), p=0.44 (30o<90o) and LRA p=0.01 (30o<60o), p=0 (60o>90)o, p=0.44 (30o>90o), respectively, by one-way ANOVA test—and for leg raise—URA p=0 (30o<60o), p=0 (60o<90o), p=0 (30o<90o) and LRA p=0.01 (30o<60o), p=0 (60o<90o), p=0 (30o<90o), respectively, by one-way ANOVA test—exercises, but not in the lateral abdominal muscles (EO, IO, and TrA). Also, there was no significant difference in the muscle thickness ratio of URA and LRA during both exercises. In the aspect of muscle activity, there was significant difference in the activation of RA muscle by selected angles, but not according to location during both exercises.
Conclusion According to this study, exercise angle is thought to be an important contributing factor for strengthening of RA muscle; however, both the exercises are thought to have no property of strengthening RA muscle selectively based on the location.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Clark KM / 2003 / Electromyographic comparison of the upper and lower rectus abdominis during abdominal exercises / J Strength Cond Res 17 : 475 ~ 483
Critchley DJ / 2002 / Abdominal muscle function in chronic low back pain patients: measurement with real-time ultrasound scanning / Physiotherapy 88 : 322 ~ 332
Djordjevic O / 2015 / Relationship between electromyographic signal amplitude and thickness change of the trunk muscles in patients with and without low back pain / Clin J P
Duncan M. / 2009 / Muscle activity of the upper and lower rectus abdominis during exercises performed on and off a Swiss ball / J Bodyw Mov Ther 13 : 364 ~ 367
Ferreira PH / 2004 / Changes in recruitment of the abdominal muscles in people with low back pain: ultrasound measurement of muscle activity / Spine (Phila Pa 1976) 29 : 256
Critchley DJ / 2002 / Abdominal muscle function in chronic low back pain patients: measurement with real-time ultrasound scanning / Physiotherapy 88 : 322 ~ 332
Djordjevic O / 2015 / Relationship between electromyographic signal amplitude and thickness change of the trunk muscles in patients with and without low back pain / Clin J P
Duncan M. / 2009 / Muscle activity of the upper and lower rectus abdominis during exercises performed on and off a Swiss ball / J Bodyw Mov Ther 13 : 364 ~ 367
Ferreira PH / 2004 / Changes in recruitment of the abdominal muscles in people with low back pain: ultrasound measurement of muscle activity / Spine (Phila Pa 1976) 29 : 256
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