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KMID : 1211620090040040221
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Journal of the Korean Society of Physical Medicine
2009 Volume.4 No. 4 p.221 ~ p.229
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The Comparison of Trunk Muscles Activity During Bridging Stabilization Exercises on Swiss Ball According to Change of Position
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Son Sun-Tae
Kim Min-Hye
Kim Hee-Jin
Yoon Ji-Hye
Lee Su-Kyoung
Jung Ju-Young
Bae Sung-Soo
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Abstract
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Purpose: The purpose of this study was to assess the effect of bridging stabilization exercises of trunk muscles activity on a Swiss ball according to change of position.
Methods: 30 healthy university students volunteered to participate in this study. Subjects were required to complete following three exercise positions. Exercise position 1; Supine bridge with Swiss ball, Exercise position 2; Side bridge with Swiss ball, Exercise position 3; Prone bridge with Swiss ball. Surface electromyography from selected trunk muscles was normalized to maximum voluntary isometric contraction.
Results: A repeated measures of ANOVA with Duncan’s correction was used to determine the influence of exercise type on muscle activity for rectus abdominis, external oblique, erector spinae. The erector spinae of exercise position 1 showed significantly higher muscle activity than exercise position 2, 3(p<.05). The external oblique of exercise position 2, 3 showed significantly higher muscle activity than exercise position 1(p<.05). The rectus abdominis of exercise position 3 showed significantly higher muscle activity than exercise position 1, 2(p<.05)
Conclusion: These results indicate that muscle activity can be influenced by addition of a Swiss ball in bridging exercises. It is recommend to use a Swiss ball for trunk stabilization exercise.
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KEYWORD
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Position, Bridging stabilization exercise, Electromyography, Trunk muscle
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