Abstract
Purpose: This study aimed to investigate the effect of changes in concentration through respiratory muscle training using virtual reality on training concentration and pulmonary function in male smokers who have decreased concentration because of academics, employment, and smoking. Methods: The study included 15 male university students who had smoked for >2 years. They were randomly allocated to the control group (n=8) that performed respiratory muscle training using breathing exercise equipment and experimental group (n=7) that performed respiratory muscle training using virtual reality. The training was performed three times a day, three times a week, for a total of 4 weeks. During training, concentration was measured considering changes in the RAHB and heart rate variability (low frequency to high frequency [LF/HF] ratio) using QEEG-32FX, and pulmonary functions were measured based on changes in forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), and FEV1/FVC using Spiropalm. Results: After the intervention, the experimental group showed significant improvement in the LF/HF ratio (p <.01), FVC (p<.05), and FEV1(p<.05), whereas the control group showed significant improvement in the LF/HF ratio (p<.05) and FVC(p<.05). Conclusion: The result of this study revealed that respiratory muscle training using virtual reality is more effective in improving pulmonary function by further enhancing training concentration.
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