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Quasi-experimental study shows improved physical performance in older adults, indicating effective sarcopenia intervention.
Purpose: To evaluate the effectiveness of an information-motivation-behavioral skills (IMB) model–based sarcopenia prevention program. Method: A quasi-experimental study was conducted with 50 older adults from senior centers in South Korea, divided into experimental ( n = 25) and control ( n = 25) groups. The 12-session intervention program spanned 6 weeks, comprising structured physical activity exercises, nutritional education focusing on protein and vitamin D intake, and motivational strategies aimed at sustaining behavior change. Data were analyzed, applying logistic regression, t tests, and Mann-Whitney U tests for group comparisons. Results: The experimental group showed significant improvements in physical performance (odds ratio [OR] = 2.37, 95% confidence interval [1.42, 107.74], p = .002) and sarcopenia-related quality of life ( t = 8.02, p < .001). However, no significant changes in muscle mass (OR = 3.12, p = 1.000) or muscle strength (OR = 2.00, p = .153) were observed. Conclusion: The IMB model–based program improved physical performance and quality of life in older adults, making it a viable nursing intervention for sarcopenia prevention. Further studies should explore long-term adherence and intervention effectiveness over extended periods.
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Kim et al. (2025) studied this question.
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