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DOI QR Code

수동적 어깨뼈 자세 교정 전략과 능동적 어깨뼈 뒤쪽 기울임 전략이 어깨뼈 주변근육 활성도에 미치는 영향

Effects of Passive Scapular Postural Correction and Active Scapular Posterior Tilt Strategies on Peri-scapular Muscle Activation

  • 강민혁 (부산가톨릭대학교 물리치료학과)
  • Kang, Min-Hyeok (Department of Physical Therapy, College of Health Sciences, Catholic University of Pusan)
  • 투고 : 2022.07.14
  • 심사 : 2022.07.26
  • 발행 : 2022.08.31

초록

Purpose: The purpose of this study was to compare the effects of passive scapular upward rotation and posterior tilt and active scapular posterior tilt on the muscle activity of the upper trapezius (UT), lower trapezius (LT), and serratus anterior (SA). Methods: Fifteen healthy subjects performed general arm elevation, arm elevation with passive scapular upward rotation and posterior tilt, and arm elevation with active scapular posterior tilt. For active scapular posterior tilt, the subjects were trained in this movement using visual biofeedback and a motion sensor. During each arm elevation condition, electromyography was used to measure the muscle activity of the UT, LT, and SA. The measured data were analyzed using a one-way repeated ANOVA. Results: LT muscle activity was significantly increased during arm elevation with active scapular posterior tilt compared to both general arm elevation and arm elevation with passive scapular upward rotation and posterior tilt (p < 0.05). SA muscle activity was greater during arm elevation with passive scapular upward rotation and posterior tilt than during general arm elevation (p < 0.05). There was no significant change in UT muscle activity among the tested arm elevation conditions (p > 0.05). Conclusion: Performing arm elevation with active scapular posterior tilt and performing arm elevation with passive scapular upward rotation and posterior tilt may be useful strategies for increasing muscle activation of the LT and SA, respectively.

키워드

과제정보

이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(No. 2021R1F1A1047329)

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