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KMID : 1151220210270020017
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Journal of Korean Academy of Orthopedic Manual Therapy
2021 Volume.27 No. 2 p.17 ~ p.25
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The Effects of Muscle Energy Technique on the Shoulder Complex Range of Motion and Posture Alignment of Female College Students in their Twenties with a Round Shoulder
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Im Gyeong-Eun
Jeong Yeon-Woo
Seo Tae-Hwa
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Abstract
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Background: The purpose of this study is to investigate basic data about the effects of muscle energy technique on the shoulder complex range of motion and posture alignment in the round shoulder posture.
Methods: The subjects included 15 women that gave consent to participate in the study voluntarily. They performed the muscle energy technique for 30 minutes twice. The round shoulder posture was measured with a straight edge ruler. The shoulder complex range of motion was measured with the apley scratch test. The forward head posture was measured with ImageJ. The pectoralis minor muscle length was measured with a tape measure.
Results: There were statistically significant differences in the round shoulder posture both right and left (p<.05). The experiment group showed statistically significant differences in the pectoralis minor muscle length (p<.05). There were significant differences in the shoulder complex range of motion including flexion, left lateral flexion, right lateral flexion, left side bending, and right side bending (p<.05), but no significant differences were found in extension (p>.05). The forward head posture showed significant differences in CVA changes (p<.05) and no significant differences in CRA changes (p>.05).
Conclusion: These findings demonstrate that the muscle energy technique relaxed muscles around the shoulders and increased the shoulder complex range of motion. The technique is also expected to prevent pain in the neck and shoulders and lower injury risk. In conclusion, the muscle energy technique can be applied as an effective intervention for round shoulder posture.
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KEYWORD
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Forward head posture, Muscle energy technique, Pectoralis minor, Round shoulder
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