Izna Nurdianty Muhdar, Hadi Riyadi, Ali Khomsan, Mansur Jauhari
Obesity remains the predominant comorbid condition, particularly among the elderly population in Indonesia. It is a degenerative condition that leads to physiological and morphological dysfunction. Consequently, there is a decline in muscular strength, flexibility, and functional capacity, which impairs daily activities and increases the risk of cardiovascular disease. Strength training is effective in increasing muscle strength, especially hand grip strength (HGS). The evaluation of overall body strength in aged individuals often involves the use of handgrip strength as a key indicator. Therefore, this study investigated the effect of strength training on dominant and non-dominant handgrip strength (HGS) among overweight and obese female participants aged 60 to 69 years. A pretest-posttest control group design was employed in this quasi-experimental study to compare the control group, which received no treatment with the intervention group, which underwent strength training (60 minutes per session, two sets, twice a week). The statistical test results indicate a tendency for increased average grip strength in both the dominant and non-dominant hands in the treatment group, although it is not significant. In contrast, the control group shows a significant decrease in average grip strength in both hands. When compared between groups, the average grip strength of both the dominant and non-dominant hands in the treatment group increased statistically following the strength training intervention compared to the control group (p < .05). The eight-week strength training program was effective in maintaining and increasing handgrip strength in overweight and obese older adults. Such programs have the potential to improve physical health and can be implemented effectively at home or in healthcare facilities (integrated health care posts) with support from family members and qualified fitness trainers. © 2026, Mahidol University-ASEAN Institute for Health Development. All rights reserved.
Departement of Community Nutrition, Faculty of Human Ecology, IPB University, Bogor, Indonesia; Departement of Nutrition, Faculty of Health Sciences, Universitas Muhammadiyah PROF. DR. HAMKA, Jakarta, Indonesia; Departement of Sports Science, Faculty of Sports Science and Health, Universitas Negeri Jakarta, Jakarta, Indonesia
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