Manual Therapy Eases Low Back Pain in Systematic Review of 15 Studies

Orthopedic manual therapy — the hands-on repertoire of spinal manipulation, joint mobilization and soft tissue techniques that physiotherapists deploy daily in clinics worldwide — delivers consistent, clinically meaningful reductions in pain and disability for adults with low back pain, according to a systematic review published on 4 September 2026 in the Bulletin of Faculty of Physical Therapy. The review, led by Kelvin Nzomo Kavita with Wallace M. Karuguti and Joseph M. Matheri, synthesized fifteen studies published between January 2010 and September 2025 and found that across trials using the Numeric Pain Rating Scale, the Visual Analogue Scale and patient-reported pain measures, manual therapy interventions produced reductions ranging from 1.6 to 4.6 points on pain scales — improvements that exceeded those seen in comparator groups in nearly every trial included.

The evidence base behind that headline figure was assembled through a search of seven databases: PubMed/MEDLINE, Embase, the Cochrane Library (CENTRAL), CINAHL, Web of Science, ScienceDirect and Google Scholar, supplemented by manual screening of reference lists. The initial sweep identified 1,280 records. After 250 duplicates were removed, 1,030 articles went to title screening, and 52 survived to full-text assessment. Eight of those were excluded for being non-primary studies — systematic reviews, protocols and similar publications that did not meet the eligibility criteria — leaving 44 primary studies to undergo formal critical appraisal with the Cochrane Risk of Bias 2 tool for randomized trials and the Critical Appraisal Skills Programme qualitative checklist for the single qualitative study. Fifteen studies met the methodological quality threshold for the final synthesis: fourteen predominantly low-risk randomized controlled trials and one qualitative study focused on patient satisfaction.

The included trials varied considerably in scale and scope. Sample sizes ranged from 30 to 455 participants, and the clinical presentations spanned acute, sub-acute and chronic non-specific low back pain, with or without radiculopathy. The interventions themselves were equally diverse, encompassing high-velocity low-amplitude spinal manipulation, mobilization, Mulligan techniques, muscle energy techniques and multimodal orthopedic manual therapy packages. Because this heterogeneity in protocols, comparators and outcome measures precluded a quantitative meta-analysis, the authors synthesized the data narratively, grouping findings by manual therapy technique and by the two most consistently reported endpoints: pain reduction and functional improvement, with high-quality randomized trials given greater weight.

The pain data form the quantitative core of the review. In one trial, the manual therapy group achieved a mean pain reduction of 1.6 points compared with 1.2 points under sham treatment, a between-group difference that reached statistical significance at p = 0.03. Another trial reported a striking separation on a 0–100 visual analogue scale, with a mean reduction of 26 points in the intervention arm against 11 points in the comparator (p = 0.01). Trials pitting manipulation directly against physiotherapy or exercise therapy showed enhanced analgesic effects in the manual therapy arms, with reductions of 4.0 versus 2.6 points (p = 0.01) and 4.1 versus 2.0 points (p < 0.001). Significant pain reductions were also documented in trials of high-velocity low-amplitude manipulation, and trials of Mulligan techniques reported notable relief, including a 2.7-point reduction against 1.2 points for placebo (p = 0.001).

Timing mattered as well. Comparative trials found orthopedic manual therapy to be either equivalent or superior to exercise therapy, conventional physiotherapy or electrotherapy, and crossover trials demonstrated immediate or short-term pain reductions, supporting a rapid analgesic effect of manipulation. In one crossover experiment, greater hypoalgesic effects were observed following high-velocity low-amplitude techniques, with a change of −2.6 points versus −1.5 points (p = 0.04). The review’s discussion links these immediate effects to established neurophysiological mechanisms, including spinal hypoalgesia and modulation of central pain processing, though the authors are careful to note that the observed differences between specific techniques were not consistent across all studies.

Functional outcomes largely mirrored the pain findings. Significant declines in disability scores on the Roland Morris Disability Questionnaire and the Oswestry Disability Index were consistently observed in the manual therapy groups. One trial showed greater disability improvement in the spinal manipulation arm, with changes of 5.9 points versus 4.2 and 4.0 points (p < 0.05). Superior functional gains appeared in manual therapy–supported motor control interventions, at 14.9 versus 11.3 points (p = 0.04). The largest improvements of all were recorded in studies combining manual therapy with exercise, including disability reductions of 19.2 versus 12.1 points (p = 0.02) and 19.1 versus 12.9 points (p = 0.02), a pattern the authors interpret as suggesting synergistic effects when manual therapy is embedded in multimodal programs rather than delivered in isolation. Trials pairing manual therapy with education or home exercise reported additive functional benefits. A small number of studies, however, found no significant between-group differences in function despite improvements in pain, and some trials comparing specific techniques showed no short-term pain advantage even as modest disability improvements emerged (p = 0.045).

Patient satisfaction — the review’s second guiding question — proved to be the thinnest strand of evidence. Satisfaction outcomes were explicitly reported in only two of the fifteen included studies. In one randomized trial, significant between-group differences emerged (p < 0.01), but the ranking was perhaps counterintuitive for a review of manual therapy: supervised exercise therapy scored highest on a 1–7 Likert scale, followed by spinal manipulation and then home exercise. The qualitative study offered a richer picture, documenting high satisfaction levels of 86 percent, with participants highlighting perceived symptom relief, hands-on care, individualized attention, therapeutic alliance and effective communication as key contributors to a positive treatment experience. The authors suggest that satisfaction with manual therapy stems not only from clinical improvement but also from the relational and experiential components of care — patients valued the sense of being actively treated and supported — and that successful interventions operate through both biomechanical and interpersonal mechanisms.

On safety, the review concludes that orthopedic manual therapy is generally safe, with most adverse events being mild and transient, such as temporary soreness or stiffness. Serious adverse events are described as rare when practitioners follow appropriate screening and safety protocols, although the authors caution that underreporting of harms in trials limits the precision of that estimate. This safety profile, combined with the consistency of benefit across the included trials, underpins the review’s conclusion that manual therapy may be considered as part of a multimodal treatment approach for individuals with low back pain, particularly those with chronic non-specific symptoms, with treatment decisions guided by clinical reasoning given the variability observed across studies.

That variability is the review’s most prominent caveat. The authors list a series of limitations: a paucity of studies on acute and sub-acute low back pain, with the majority involving chronic non-specific presentations; variation in intervention protocols that limits direct comparison; only one study assessing patient satisfaction directly; variation in healthcare settings; widely differing follow-up durations; and the blinding challenges inherent to any manual therapy trial, where patients and practitioners inevitably know which treatment is being delivered. Consequently, the authors state explicitly that the findings are primarily applicable to chronic low back pain populations and should not be generalized to acute or sub-acute presentations without further supporting evidence. Some included studies also demonstrated only modest between-group differences or reported outcomes comparable to other conservative interventions. The review calls for future research with standardized outcome measures, longer-term follow-up, direct assessment of satisfaction, and greater representation of low- and middle-income settings, while recommending that clinicians consider incorporating individualized manual therapy into routine physiotherapy practice for the chronic forms of the condition where the evidence is strongest.

Subject of Research: Clinical outcomes and patient satisfaction after orthopedic manual therapy for low back pain

Article Title: Clinical outcomes and satisfaction among low back pain patients following orthopedic manual therapy: systematic review

Article References: Kavita, K. N., Karuguti, W. M., & Matheri, J. M. (2026). Clinical outcomes and satisfaction among low back pain patients following orthopedic manual therapy: systematic review. Bulletin of Faculty of Physical Therapy, 31(1), Article 38. https://doi.org/10.1186/s43161-026-00375-6

Image Credits: AI Generated

DOI: 10.1186/s43161-026-00375-6

Keywords: low back pain, orthopedic manual therapy, spinal manipulation, mobilization, systematic review, randomized controlled trials, patient satisfaction, physiotherapy, disability, pain reduction, rehabilitation, musculoskeletal