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KMID : 1101520150190030017
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Journal of Korean Society for Neurotherapy
2015 Volume.19 No. 3 p.17 ~ p.22
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Comparison of Scapular Stabilizer and External Oblique Abdominis Muscle Activity on Push-up Plus in Various Postures
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Shin Jong-Wha
Jeong Heon-Hui
Kim Su-Bin
Kim Min-Hui
Lee Jeong-Hun
Kim Jin-Young
Seo Han-Gyeol
Kim Mi-Rim
Park Jun-Hwan
Son Ho-Hee
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Abstract
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Purpose: The purpose of this study is to examine the change to the muscle activity from the serratus anterior, upper
trapezius, lower trapezius, external oblique when push-up plus exercise is performed in three postures which it can be
applied clinically. In addition, it is compared the muscle activity of each posture in order to study the most safe and
effective way to strengthen scapula stabilizers.
Methods: For this study, twenty-eight healthy males who are randomly performed Quadripedal Push-up Plus (QP), Quadripedal Push-up Plus with Supporter (QPS), Standard Push-up Plus with Supporter (SPS)postures of push up plus exercise are recruited to search influence on the muscle activity of scapula stabilizers, external oblique according to posture change of their exercise.
Results: There was a significant difference in the muscle activity of serratus anterior according to the posture, especially, between QPS SPS postures (p<.05). The muscle activity of external oblique had a significance difference between QPS and SPS postures (p<.05). The muscle activity of serratus anterior was increased, and the muscle activity of external oblique was relatively lower than other postures. Also, the muscle activity of serratus anterior was the most increased in SPS posture during push-up plus exercise, but the external oblique was simultaneously increased.
Conclusion: As the results, the QP posture is the most safe and effective to strengthen the serratus anterior, showing lower the muscle activity of external oblique. These results suggest that QP push-up plus exercise can be a very useful to improve safety and to selectively train serratus anterior for patients with shoulder instability for the future.
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KEYWORD
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Push up plus, Scapula, EMG, Scapular stabilizer
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