OBJECTIVE: To determine the short-term effectiveness of full kinematic chain manual and manipulative therapy (MMT) plus exercise compared with targeted hip MMT plus exercise for symptomatic mild to moderate hip osteoarthritis (OA). DESIGN: Parallel-group randomized trial with 3-month follow-up. SETTING: Two chiropractic outpatient teaching clinics. PARTICIPANTS: Convenience sample of eligible participants (n = 111) with symptomatic hip OA were consented and randomly allocated to receive either the experimental or comparison treatment, respectively. INTERVENTIONS: Participants in the experimental group received full kinematic chain MMT plus exercise while those in the comparison group received targeted hip MMT plus exercise. Participants in both groups received 9 treatments over a 5-week period. MAIN OUTCOME MEASURES: Western Ontario and McMasters Osteoarthritis Index (WOMAC), Harris hip score (HHS), and Overall Therapy Effectiveness, alongside estimation of clinically meaningful outcomes. RESULTS: Total dropout was 9% (n = 10) with 7% of total data missing, replaced using a multiple imputation method. No statistically significant differences were found between the 2 groups for any of the outcome measures (analysis of covariance, p = 0.45 and p = 0.79 for the WOMAC and HHS, respectively). CONCLUSIONS: There were no statistically significant differences in the primary or secondary outcome scores when comparing full kinematic chain MMT plus exercise with targeted hip MMT plus exercise for mild to moderate symptomatic hip OA. Consequently, the nonsignificant findings suggest that there would also be no clinically meaningful difference between the 2 groups. The results of this study provides guidance to musculoskeletal practitioners who regularly use MMT that the full kinematic chain approach does not appear to have any benefit over targeted treatment.

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