The Effect of Deviced Respiratory Muscle Exercises Applied to Smokers and Non-Smokers on Respiratory Functions

Abstract

ABSTRACTCigarette addiction, which is very closely related to the onset of respiratory disorders, causes the deterioration of respiratory functions. It is possible to increase respiratory volume and capacity by strengthening the respiratory muscles through respiratory muscle exercises. In this study, it was aimed to compare the effects of 8-week deviced respiratory muscle exercises on the respiratory functions of smokers and non-smokers. A total of 22 volunteers, including 12 healthy and sedentary smokers and 10 non-smokers, participated in the study. All participants were given deviced respiratory muscle exercises every day for 8 weeks, with 40% of the maximal inspiratory pressure (MIP) values and 30 times in the morning and evening. The respiratory functions of the participants (FVC, FEV1, PEF, and FEV1/FVC) were determined by spirometry at the beginning of the study and at the end of the 8th week. The difference between the pretest and the posttest of respiratory functions was determined by Wilcoxon Signed Rank Test, and the comparison of the level of development between the groups was determined by the mixed ANOVA test. As a result of the study, it was determined that there was a statistically significant increase in favor of the posttest in both groups between the pretests and posttests of MIP, FVC, FEV1, PEF, and FEV1/FVC values. In addition, when the two groups were compared, it was determined that the improvement in FEV1/FVC value was statistically higher in smokers. As a result, while it has been determined that deviced respiratory muscle exercises are an important factor in improving the respiratory functions of smokers and non-smokers, it can be recommended to use these exercises to increase the quality of life of individuals and to protect and improve their current health status. Keywords: Lung Capacity, Respiratory Muscle Exercise, Sedentary, Smoking