• Department of Rehabilitation Medcine, Sir Run Run Shaw Hospital, the Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310000, P. R. China;
LI Yangzheng, Email: yangzheng.li@zju.edu.cn
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Objective To explore the effect of dynamic neuromuscular stabilization technique for chronic non-specific low back pain. Methods From July 2019 to June 2020, 60 patients with chronic non-specific low back pain who underwent rehabilitation at the outpatient clinic of Sir Run Run Shaw Hospital Affiliated to Zhejiang University School of Medicine were prospectively selected. All patients were divided into trial group and control group by random number table method. There were 30 cases in each group. The control group used rehabilitation education and core muscle strength training. The trial group used dynamic neuromuscular stabilization of chest and abdomen combined with breathing control training on the basis of the treatment plan of the control group. The Visual Analogue Scale (VAS) score, Oswestry Dability Index (ODI), abdominal pressure stability, xiphoid level thoracic mobility and axillary level thoracic mobility were compared between the two groups of patients. Results All the 60 patients in this study completed the trial, and there was no recurrent case during treatment, after treatment or during follow-up. There was no statistically significant difference in age, gender, height, weight, body mass index, or course of disease between the two groups (P>0.05). Taking VAS score as the dependent variable, the result of generalized estimating equations showed that the difference in VAS score between the trial group and the control group was statistically significant (χ2=4.132, P=0.042), and the VAS scores at 12 weeks of follow-up and at 8 weeks of treatment differed significantly from that before treatment (χ2=1618.814, P<0.001; χ2=1573.419, P<0.001); the between-group comparisons at different time points showed that the difference in VAS score between the two groups at 12 weeks of follow-up was statistically significant (P<0.001), and the remaining between-group differences were not statistically significant (P>0.05). Taking ODI score as the dependent variable, the result of generalized estimating equations showed that the difference in total ODI score between the two groups was statistically significant (χ2=11.063, P=0.001), and the ODI scores at 12 weeks of follow-up and at 8 weeks of treatment differed significantly from that before treatment (χ2=524.694, P<0.001; χ2=717.236, P<0.001); the between-group comparisons at different time points showed that there were statistically significant differences between the two groups at 8 weeks of treatment and at 12 weeks of follow-up (P<0.001). After treatment, the improvement of stability value of abdominal pressure [(−4.93±8.14) vs. (−1.33±4.78) mm Hg (1 mm Hg=0.133 kPa)], the improvement of xiphoid level thoracic mobility [(1.87±0.62) vs. (1.52±0.70) cm] and the improvement of axillary level thoracic mobility [(1.78±0.62) vs. (0.92±0.45) cm] in the trial group were better than those in the control group (P<0.05).Conclusion The dynamic neuromuscular stabilization technique can improve the dysfunction and relieve the symptoms of patients with chronic non-specific low back pain, and it is worthy of promotion.

Citation: YANG Kuannü, LI Jianhua, WU Fangchao, ZHANG Kai, HU Jinna, LI Yangzheng. Study on the effect of dynamic neuromuscular stabilization technique for chronic low back pain. Chinese Journal of Reparative and Reconstructive Surgery, 2021, 36(8): 1062-1067. doi: 10.7507/1002-0179.202103299 Copy

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