OBJECTIVE: To systematically review the effectiveness of manual therapy on fear-avoidance, kinesiophobia, and pain catastrophizing in patients with chronic musculoskeletal pain. LITERATURE SEARCH: Databases (Medline, Embase, CINAHL, PEDro, CENTRAL, Web of Science, and Scopus) were searched from inception up to March 2020. STUDY SELECTION CRITERIA: Two reviewers independently selected randomized controlled trials that investigated the effects of manual therapy associated or not with other interventions on fear-avoidance, kinesiophobia and pain catastrophizing in patients with chronic musculoskeletal pain. DATA SYNTHESIS: Standardized Mean Differences (SMD) and 95% confidence interval (CI) were calculated using a random-effects inverse variance model for meta-analysis according to the outcome of interest, comparison group and follow-up period. The level of evidence was synthesized using GRADE. RESULTS: Eleven studies were included with a total sample of 717 individuals. Manual therapy was not superior to no treatment on reducing fear-avoidance at short-term (low quality of evidence; SMD -0.45, 95% CI -0.99 to 0.09), and intermediate-term (low quality of evidence; SMD -0.48, 95% CI -1.0 to 0.04). Based on very-low quality of evidence, manual therapy was not better than other treatments (SMD 0.10, 95% CI -0.56 to 0.77) on reducing fear-avoidance, kinesiophobia (SMD -0.12, 95% CI -0.87 to 0.63) and pain catastrophizing (SMD -0.16, 95% CI -0.48 to 0.17) at short-term. CONCLUSION: Manual therapy may not be superior to no treatment or other treatments on improving fear-avoidance, kinesiophobia and pain catastrophizing, based on very low or low quality of evidence. More studies are necessary to strengthen the evidence of effects of manual therapy on pain-related fear outcomes.

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