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KMID : 1035420170050030021
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Journal of The Korean Society of Integrative Medicine
2017 Volume.5 No. 3 p.21 ~ p.28
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Effects of Three Exercise Programs on the Length of Pectoralis Minor and Forward Head Posture
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Yang Hoe-Song
Jeong Chan-Ju
Yoo Young-Dae
Heo Jae-Won
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Abstract
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Purpose: The purpose of this study was to investigate the effects of three exercise programs on forward head posture.
Methods: Ninety-five individuals were recruited to assess the of the pectoralis minor muscle. Of these, 36 individuals with pectoralis minor muscles were selected and randomly divided into three groups: a functional massage group, a stretching group, and a stretching and muscle strengthening group. The exercise program consisted of sessions four times per week for two weeks. The length of pectoralis minor and the activity of the trapezius muscles were measured using electromyography. Forward head posture was assessed using the craniovertebral angle (CVA) and the cranial rotation angle (CRA) pre-, during and post-treatment.
Result: Significant improvements were observed in pectoralis minor length, CRA, and CVA post-treatment in all groups (p<0.05, p<0.01, p<0.001). However, only the activity of the lower trapezius demonstrated a statistically significant difference post-treatment. There were no significant differences between the groups.
Conclusion: The findings of this study suggest that all three exercise programs were effective in improving forward head posture and the length of pectoralis minor post-treatme
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KEYWORD
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forward head posture , pectoralis minor , functional massage
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