The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Effect of Abdominal Hollowing on Muscle Activity of Gluteus Maximus and Erector Spinae during Bridging Exercise

교각 운동 시 복부 넣기가 큰볼기근과 척추세움근의 활성도에 미치는 영향

  • Koh, Eun-Kyung (Department of Physical Therapy, Masan University) ;
  • Jang, Jin-Ho (Department of Physical Therapy, College of Tourism & Health Science, Joongbu University) ;
  • Jung, Do-Young (Department of Physical Therapy, College of Tourism & Health Science, Joongbu University)
  • 고은경 (마산대학교 물리치료과) ;
  • 장진호 (중부대학교 관광보건대학 물리치료학과) ;
  • 정도영 (중부대학교 관광보건대학 물리치료학과)
  • Received : 2012.09.18
  • Accepted : 2012.10.15
  • Published : 2012.10.25
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Abstract

Purpose: This study examined the muscle activities of the erector spinae (ES) and gluteus maximus (GM) during bridging exercises with and without abdominal-hollowing. Methods: Nineteen healthy subjects with no medical history of low back pain or hip flexion contracture were enrolled in this study. The subjects performed bridging exercises with and without abdominal hollowing or with and without a one-leg lift. The muscle activities of the ES and GM were measured by surface electromyography during bridging exercises under each condition. A 2 (abdominal hollowing)X2 (one-leg lift) repeated ANOVA was used to compare the normalized muscle activities of the ES and GM. Results: The muscle activity of the ES during bridging exercise with abdominal-hollowing was significantly smaller than that without abdominal-hollowing (p=0.00). The muscle activities of the GM during bridging exercise with abdominal-hollowing were significantly greater than those without abdominal-hollowing (p=0.00). In addition, the muscle activities of the GM during bridging exercise with one-leg lifting was significantly greater than that without one-leg lifting (p=0.00). Conclusion: Bridging exercise with abdominal-hollowing appears to be more effective on activating the GM muscle than that without abdominal-hollowing minimizing the activation of the ES muscle.

Keywords

References

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