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Spinal Manipulation vs Mobilization in Young Adults With Chronic Low Back Pain

Last updated: 08-06-2020

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Spinal Manipulation vs Mobilization in Young Adults With Chronic Low Back Pain

Question  What is the comparative effectiveness of spinal manipulation compared with spinal mobilization relative to a placebo control in reducing pain and disability in chronic low back pain?

Findings  In this randomized clinical trial that included 162 young adults, there was no difference in reduction of pain and disability when comparing spinal manipulation to spinal mobilization relative to the placebo control treatment.

Meaning  Neither spinal manipulation nor mobilization appeared to be an effective intervention for young adults with mild to moderate chronic low back pain.

Importance  Low back pain (LBP) is one of the most common reasons for seeking medical care. Manual therapy is a common treatment of LBP, yet few studies have directly compared the effectiveness of thrust (spinal manipulation) vs nonthrust (spinal mobilization) techniques.

Objective  To evaluate the comparative effectiveness of spinal manipulation and spinal mobilization at reducing pain and disability compared with a placebo control group (sham cold laser) in a cohort of young adults with chronic LBP.

Design, Setting, and Participants  This single-blinded (investigator-blinded), placebo-controlled randomized clinical trial with 3 treatment groups was conducted at the Ohio Musculoskeletal and Neurological Institute at Ohio University from June 1, 2013, to August 31, 2017. Of 4903 adult patients assessed for eligibility, 4741 did not meet inclusion criteria, and 162 patients with chronic LBP qualified for randomization to 1 of 3 treatment groups. Recruitment began on June 1, 2013, and the primary completion date was August 31, 2017. Data were analyzed from September 1, 2017, to January 20, 2020.

Interventions  Participants received 6 treatment sessions of (1) spinal manipulation, (2) spinal mobilization, or (3) sham cold laser therapy (placebo) during a 3-week period.

Main Outcomes and Measures  Coprimary outcome measures were the change from baseline in Numerical Pain Rating Scale (NPRS) score over the last 7 days and the change in disability assessed with the Roland-Morris Disability Questionnaire (scores range from 0 to 24, with higher scores indicating greater disability) 48 to 72 hours after completion of the 6 treatments.

Results  A total of 162 participants (mean [SD] age, 25.0 [6.2] years; 92 women [57%]) with chronic LBP (mean [SD] NPRS score, 4.3 [2.6] on a 1-10 scale, with higher scores indicating greater pain) were randomized. Fifty-four participants were randomized to the spinal manipulation group, 54 to the spinal mobilization group, and 54 to the placebo group. There were no significant group differences for sex, age, body mass index, duration of LBP symptoms, depression, fear avoidance, current pain, average pain over the last 7 days, and self-reported disability. At the primary end point, there was no significant difference in change in pain scores between spinal manipulation and spinal mobilization (0.24 [95% CI, −0.38 to 0.86]; P = .45), spinal manipulation and placebo (−0.03 [95% CI, −0.65 to 0.59]; P = .92), or spinal mobilization and placebo (−0.26 [95% CI, −0.38 to 0.85]; P = .39). There was no significant difference in change in self-reported disability scores between spinal manipulation and spinal mobilization (−1.00 [95% CI, −2.27 to 0.36]; P = .14), spinal manipulation and placebo (−0.07 [95% CI, −1.43 to 1.29]; P = .92) or spinal mobilization and placebo (0.93 [95% CI, −0.41 to 2.29]; P = .17).

Conclusions and Relevance  In this randomized clinical trial, neither spinal manipulation nor spinal mobilization appeared to be effective treatments for mild to moderate chronic LBP.


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