Objective: To determine the short-term effectiveness of thoracic manipulation when compared to sham manipulation for individuals with low back pain (LBP).
Design: Randomized controlled trial.
Methods: Patients with LBP were stratified based on symptom duration and randomly assigned to a thoracic manipulation or sham manipulation treatment group. Groups received 3 visits that included manipulation or sham manipulation, core stabilization exercises, and patient education. Factorial repeated-measures analysis of variance and multiple regression were performed for pain, disability, and fear avoidance. The Mann-Whitney U test was used to analyze patient-perceived improvement, via the global rating of change scale, at follow-up.
Results: Ninety participants completed the study (mean ± SD age, 38 ± 11.5 years; 70% female; 72% with chronic LBP). The overall group-by-time interaction was not significant for the Modified Oswestry Disability Questionnaire, numeric pain-rating scale, and Fear-Avoidance Beliefs Questionnaire outcomes. The global rating of change scale was not significantly different between groups.
Conclusion: Three sessions of thoracic manipulation, education, and exercise did not result in improved outcomes when compared to a sham manipulation, education, and exercise in individuals with chronic LBP. Future studies are needed to identify the most effective management strategies for the treatment of LBP.
Level of evidence: Therapy, level 1b. J Orthop Sports Phys Ther 2020;50(1):24-32. Epub 6 Dec 2019. doi:10.2519/jospt.2020.8928.
Keywords: low back pain; physical therapy; thoracic manipulation.