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흡연자와 비흡연자의 앉은 자세에서 일어서는 동작 시 배근육 활성도 차이

Differences in the Activation of Abdominal Muscles During Sit-to-Stand between Smokers and Non-smokers

  • 유종훈 (부산가톨릭대학교 대학원 물리치료학과) ;
  • 이동률 (좋은강안병원 물리치료실) ;
  • 이민형 (부산가톨릭대학교 대학원 물리치료학과) ;
  • 김종순 (부산가톨릭대학교 보건과학대학 물리치료학과)
  • Yoo, Jong-Hoon (Department of Physical Therapy, Graduate School, Catholic University of Pusan) ;
  • Lee, Dong-Rour (Department of Physical Therapy, Good Gang-An Hospital) ;
  • Rhee, Min-Hyung (Department of Physical Therapy, Graduate School, Catholic University of Pusan) ;
  • Kim, Jong-Soon (Department of Physical Therapy, College of Health Sciences, Catholic University of Pusan)
  • 투고 : 2018.07.02
  • 심사 : 2018.07.25
  • 발행 : 2018.08.31

초록

Purpose: This study aimed to determine whether the abdominal muscles, which are the major lumbar stabilizers along with the respiratory muscles, are affected by smoking. We compared abdominal muscle activity between smokers and non-smokers during the sit-to-stand movement. Methods: A total of 28 healthy adult males (14 smokers and 14 non-smokers) in their 20s-30s voluntarily participated in the study. The subjects performed the sit-to-stand movement, and then their abdominal muscle activity was measured. The surface electromyography system was employed to measure the maximal voluntary isometric contraction (MVIC) values of the subjects' rectus abdominis, external oblique abdominal, internal oblique abdominal, and transversus abdominis muscles. Then, the values were quantified into %MVIC. Results: The activity of the rectus abdominis muscle was higher in the smokers than in the non-smokers. Conversely, the activity of the internal oblique abdominal and transversus abdominis muscles, which are deep abdominal muscles, was higher in non-smokers than in smokers, but the difference was not statistically significant. Conclusion: Smoking can inhibit the activity of smokers' deep abdominal muscles and increase the activity of their superficial muscles, thus making it detrimental to their musculoskeletal system.

키워드

참고문헌

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