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KMID : 1035420190070010125
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Journal of The Korean Society of Integrative Medicine
2019 Volume.7 No. 1 p.125 ~ p.134
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Effects of breathing exercise on flexion relaxation phenomenon and thorasic excursion in patients with chronic low back pain
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Cho Byung-Yun
Yoon Jung-Gyu
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Abstract
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Purpose : The purpose of this study was to investigate the effects of stabilization exercise and breathing exercise on flexion relaxation phenomenon(FRP) and respiratory parameters in patients with chronic low back pain.
Methods : We randomly allocated 30 chronic back pain patients(CLBP) to stabilization exercise(SE) group(n = 15) and breathing exercise(BE) group(n = 15). FRP was measured using surface electromyography(SEMG). Thoracic excursion was measured with a cloth tape measurement technique. The SE group received a stabilization exercise program and the BE group received a breathing exercise program three times a week for 12 weeks. Independent t-tests were used to test the homogeneity of the participants' general characteristics. Data were collected using paired t-test for comparisons of flexion relaxation ratio and respiratory variables. Independent t-test was used for comparison of inter-group flexion relaxation ratio and respiratory variables. The significance level was set at 0.05.
Results : FRP variables, ES FRR (Fle / MVF), ES FRR (Ext / MVF), MF FRR (Fle / MVF), MF FRR (Ext / MVF) values were significantly increased after exercise in both SE and BE groups (p<.05). The values of thoracic excursion after exercise increased significantly in both groups (p <.001). VAS values were significantly decreased in both groups (p <.001). There were no significant differences between the two groups in FRP variables, ES FRR (Fle / MVF), ES FRR (Ext / MVF), MF FRR (Fle / MVF), MF FRR (Ext / MVF) and VAS values after exercise (p>.05). In the thoracic excursion after exercise, BE group was significantly higher than SE group (p <.001).
Conclusion : We found that FRP and respiratory variables were significantly increased after SE and BE for 12 weeks in CLBP. The thoracic excursion, a respiratory variable, suggests that the BE group is more effective than the SE group.
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KEYWORD
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flexion relaxation phenomenon, chronic low back pain, breathing exercise
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