RESUMO
Objective:To observe the effects of pain relief after acupuncture on walking speed, step length and ground reaction force (GRF) of patients with chronic nonspecific low back pain (CNLBP) during walking. Methods:From May to December, 2019, 28 CNLBP patients were randomly divided into waiting list group (n = 14) and acupuncture group (n = 14). The acupuncture group received acupuncture, 30 minutes a time, three times a week, for four weeks. The waiting list group only received health education after enrollment until four weeks later. Gait analysis was performed with three-dimensional motion system for both groups after enrollment and one month later. The walking speed, step length and GRF characteristic values were recorded and compared, as well as Visual Analogue Score (VAS) for pain. Results:After intervention, The VAS decreased in both groups (t > 2.956, P < 0.05), and was lower in the acupuncture group than in the waiting list group (t = -2.844, P = 0.004). No significant difference in walking speed, step length and GRF characteristic values was found after intervention in both groups (P > 0.05). Conclusion:One month-acupuncture could relief the pain of CNLBP patients, however, it could not improve the performance during walking.
RESUMO
Surface electromyography can record the neuroelectric signals responding the activity of muscle during exercise, which has been used to observe the characteristics of trunk and lower limb muscles in patients with chronic low back pain. It may be used in the researches about pathogenesis, diagnosis and treatment of chronic low back pain by comparing the surface electromyography signals between patients and normal controls during various activities.
RESUMO
At present, three-dimensional gait analysis has been used in the diagnosis, treatment and rehabilitation of chronic non-specific low back pain. Existing researches have conducted systematic cross-sectional studies on the gait of patients with chronic non-specific low back pain from the aspects of space-time parameters, kinematics parameters, dynamic parameters and surface EMG, but few are about efficacy evaluation with three-dimensional gait analysis, which may be a topic in the future.