期刊
JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION
卷 35, 期 5, 页码 1109-1118出版社
IOS PRESS
DOI: 10.3233/BMR-210211
关键词
Low back pain; vibration; exercise therapy; muscle activity; surface electromyography; ultrasonography
资金
- Korea Medical Device Development Fund grant - Korean government (The Ministry of Science and ICT) [1711138408, KMDF_PR_ 20200901_0189]
- Korea Medical Device Development Fund grant - Korean government (Ministry of Trade, Industry and Energy) [1711138408, KMDF_PR_ 20200901_0189]
- Korea Medical Device Development Fund grant - Korean government (Ministry of Health Welfare) [1711138408, KMDF_PR_ 20200901_0189]
- Korea Medical Device Development Fund grant - Korean government (Ministry of Food and Drug Safety) [1711138408, KMDF_PR_ 20200901_0189]
This study investigated the short-term effects of direct vibration on the deep trunk muscles of patients with non-specific chronic low back pain (CLBP). The results showed that direct vibration can increase the selective activity of contracting deep trunk muscles and is related to symptom improvement.
BACKGROUND: Vibration training is an adjuvant to muscle-strengthening exercises. OBJECTIVE: To investigate the short-term effects of direct vibration on the deep trunk muscles of patients with non-specific chronic low back pain (CLBP). METHODS: Participants with non-specific CLBP were randomly placed into two groups: the vibration-plus stabilization exercise (VSE) group (n = 31) and the conventional stabilization exercise (CSE) group (n = 31). The groups underwent 12 sessions of an exercise program. The thickness and activity of the trunk muscles were measured using ultrasonography and surface electromyography. RESULTS: Ultrasonography revealed that the ratio of muscle thickness to contraction and relaxation was statistically increased after exercise in the bilateral transversus abdominis (TrA) and lumbar multifidus (LM) muscles in the CSE group (p = 0.031), and in the bilateral TrA, LM, and internal oblique (IO) muscles in the VSE group (p < 0.001). The LM/lumbar erector spinae (LES) ratio in the CSE group (p = 0.037), and the IO/rectus abdominis (RA), TrA/RA, and LM/LES ratios in the VSE group (p = 0.019) were statistically increased. Multiple regression analysis showed that symptom improvement was related to increased activity of the deep trunk muscles in the VSE group (p < 0.001). CONCLUSION: Direct vibration can increase the selective activity of contracting deep trunk muscles.
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