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The steps to health randomized trial for arthritis: a self-directed exercise versus nutrition control program
Sara Wilcox1, Bruce McClenaghan2, Patricia A Sharpe1
1Department of Exercise Science, University of South Carolina, Columbia, South Carolina; Prevention Research Center, University of South Carolina, Columbia, South Carolina.
American Journal of Preventive Medicine
|December 3, 2014
Summary
A 12-week self-directed exercise program significantly increased physical activity in adults with arthritis. Both exercise and nutrition interventions improved functional outcomes and self-efficacy, demonstrating potential for widespread implementation.
Area of Science:
- Gerontology
- Rehabilitation Medicine
- Public Health
Background:
- Low participation in exercise programs among adults with arthritis despite known benefits.
- Need for safe, evidence-based, self-directed exercise interventions for broader reach and cost-effectiveness.
Purpose of the Study:
- To evaluate a 12-week, self-directed, multicomponent exercise program for adults diagnosed with arthritis.
Main Methods:
- Randomized controlled trial involving 401 adults with arthritis (mean age 56.3 years, 85.8% women).
- Comparison between a self-directed exercise intervention (First Step to Active Health®) and a nutrition control program (Steps to Healthy Eating).
- Assessment of physical activity, functional performance, arthritis symptoms, and self-efficacy at baseline, 12 weeks, and 9 months.
Main Results:
- The exercise group demonstrated significantly greater increases in physical activity compared to the nutrition control group (p=0.01).
- Both groups showed significant improvements in lower body strength, functional exercise capacity, flexibility, pain, fatigue, stiffness, and arthritis self-efficacy (p<0.0001).
- Adverse events were more frequent in the exercise group but mostly mild and expected with increased activity.
Conclusions:
- The self-directed exercise program effectively enhances physical activity in adults with arthritis.
- Both intervention types yielded improvements in functional and psychosocial outcomes, suggesting broad applicability.
- The interventions show promise for large-scale dissemination to improve arthritis management.
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