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The effect of 2 different exercise programs on pain intensity and muscle dimensions in patients with chronic low back pain: a randomized controlled trial [with consumer summary] |
Nabavi N, Mohseni Bandpei MA, Mosallanezhad Z, Rahgozar M, Jaberzadeh S |
Journal of Manipulative and Physiological Therapeutics 2018 Feb;41(2):102-110 |
clinical trial |
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
OBJECTIVES: The purpose of this study was to compare the effect of 2 exercise programs combined with electrotherapy on pain intensity and lumbar stabilizer muscles dimensions in patients with nonspecific chronic low back pain. METHODS: A randomized controlled clinical trial was performed with 41 patients with chronic LBP. Participants were randomly allocated into 2 groups: an experimental group (n = 20) received stabilization exercises plus electrotherapy, and a control group (n = 21) received routine exercises plus electrotherapy. Pain intensity, using a visual analog scale, and muscle dimensions of both right and left transverse abdominis and lumbar multifidus muscles, using rehabilitative ultrasonography, were assessed before and immediately after 4 weeks of intervention. RESULTS: Significant improvement was identified after interventions on pain intensity and muscle size measurements in both groups (p < 0.01 in all instances). The only exception was the right-side lumbar multifidus cross-sectional area of the control group, which was not statistically significant (p = 0.081). No significant differences were found between the 2 exercise groups on pain intensity and muscle dimensions (p > 0.05 in all instances). CONCLUSIONS: The results of this study suggest that a combination of electrotherapy with either routine or stabilization exercise programs may improve pain intensity and muscle dimensions in patients with nonspecific chronic low back pain.
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