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KMID : 1035420200080040155
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Journal of The Korean Society of Integrative Medicine
2020 Volume.8 No. 4 p.155 ~ p.161
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The effect of passive lung expansion technique and active respiration enhancement technique on lung function
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Lee Dong-Jin
Lee Yeon-Seop
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Abstract
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Purpose : This study was conducted to investigate the effect of positive active pressure technique and active breathing technique on lung function in healthy adults.
Methods : In this study, the passive lung expansion technique and active respiration enhancement technique using a air mask bag unit were conducted in 30 normal adults to observe changes in pulmonary function with forced vital capacity (FVC), Forced expiratory volume at one second (FEV1). In order to observe the change in the level of respiratory function, we would like to investigate the peak expiratory flow (PEF) and the forced expiratory flow (FEF 25-75%).
Results : As a result of this study, there was no significant difference in comparison between the passive lung expansion technique and the active breathing enhancement technique(p>.05). The passive lung expansion technique effectively increased the effortful expiratory volume and the median expiratory flow rate for 1 second(p<.05). and the passive lung expansion technique effectively increased the effortless lung capacity and the maximum expiration flow rate(p<.05).
Conclusion : The passive lung expansion technique effectively increases the range of motion of the lungs and chest cages, intrathoracic pressure, and elasticity of the lungs, and the active breathing technique increases the muscle functions such as the diaphragm and the biceps muscles. It is expected that it will be able to selectively improve the respiratory function of patients with respiratory diseases or functional limitations as it is found to be effective.
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KEYWORD
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lung function, passive lung expansion technique, active respiration enhancement technique, FVC, FEV1
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