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KMID : 1211620220170030079
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Journal of the Korean Society of Physical Medicine
2022 Volume.17 No. 3 p.79 ~ p.86
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The Effects of Passive Stretching of the Iliopsoas Muscles on Pulmonary Function
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Han Dong-Wook
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Abstract
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PURPOSE: By virtue of its location, the iliopsoas muscle has the potential to affect the function of the diaphragm.
Therefore, the purpose of this study was to investigate the effects of passive stretching of the iliopsoas muscles on pulmonary function.
METHODS: Twenty male university students participated in this study. Subjects with low back pain, negative results on the modified Thomas test, and chest breathing patterns not directly related to the function of the iliopsoas muscles were excluded from this study. A digital pulmonary function measuring device (Pony FX, COSMED Inc, Italy) was used to test pulmonary function. The test was performed three times: the first test before passive stretching, the second test 10 minutes after the first test, and the third after passive stretching. Passive stretching was performed 5 times for each of the left and right iliopsoas muscles. Passive stretching was carried out for 20 seconds followed by a 10-second break. The SPSSWIN (ver. 27.0) statistics program was used for data analysis, and the significance level was α =.05.
RESULTS: Among slow vital capacity (SVC) parameters, tidal volume (VT), inspiratory reserve volume (IRV), inspiratory capacity (IC) and vital capacity (VC) improved significantly after passive stretching. Also, among the maximal effort vital capacity (MEVC) parameters, forced vital capacity(FVC) and forced expiratory volume in one second(FEV1) improved significantly after passive stretching.
CONCLUSION: The results showed that among the various pulmonary function parameters measured, passive stretching of the iliopsoas muscles can improve the SVC and MEVC. Therefore, passive stretching of the iliopsoas muscles may be considered for use as a treatment method to improve pulmonary function.
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KEYWORD
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Iliopsoas muscle, Passive stretching, Pulmonary function
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