Dynamic balance training improves physical function in individuals with knee osteoarthritis: a pilot randomized controlled trial

Publication date: Available online 6 March 2017
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Judit Takacs, Natasha M. Krowchuk, S. Jayne Garland, Mark G. Carpenter, Michael A. Hunt
ObjectiveTo examine the effect of a targeted balance training program on dynamic balance and self-reported physical function in people with medial tibiofemoral osteoarthritis (OA).DesignA single-blind randomized controlled trial.SettingExercise gymnasium and community dwellings.ParticipantsForty individuals with medial compartment knee OA.InterventionTen weeks of partially-supervised exercises targeting dynamic balance and strength performed four times per week, or no intervention (control group).Main outcome measuresDynamic balance was measured using the Community Balance and Mobility Scale (CB&M), and self-reported physical function was measured using the Western Ontario and McMaster Universities Arthritis Index (WOMAC) physical function subscale. Secondary outcomes included knee pain, fear of movement, knee joint proprioception, and muscle strength.ResultsForty individuals underwent baseline testing, with 36 participants completing follow-up testing. Adherence to exercise in the training group was high, with 82.2% of all home-based exercise sessions completed. No significant changes were observed in any outcome in the control group at follow-up. Significant improvements in self-reported pain, physical function, and fear of movement were observed in the training group when compared to the control group. No other within- or between-group differences were observed.ConclusionA ten week dynamic balance training program for people with knee OA significantly improved self-reported knee pain, physical function, and fear of movement, though there was no change in dynamic balance as quantified by the CB&M. Further research is needed to investigate how exercise may result in improvement on objective measures of dynamic balance.



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