ArticleBMC sports science, medicine & rehabilitation2025
Enhancing physical fitness in older adults: a six-month medium intensity training intervention yields significant improvements.
Article in BMC sports science, medicine & rehabilitation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- High-intensity interval training as a cognitive enhancement strategy for executive function in overweight female university Students.Frontiers in physiology · 2026Article
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4 authors.
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Abstract
backgroundMaintaining physical fitness in older adults is crucial for preventing functional decline. This study aimed to examine the effects of a 6-month medium-intensity training (MIT) programme on physical fitness components in older adults.
methodsIn this randomized controlled trial, 72 older adults aged 60-70 years in Indonesia were randomly assigned to either an exercise group (EG; n = 36) or a control group (CG; n = 36). The EG participated in MIT sessions (60 minutes, 3 times per week). Each session consisted of a warm-up with joint mobility and flexibility exercises, followed by 15-20 minutes of moderate-intensity walking performed at 55-70% of maximum heart rate, a strength training phase targeting major muscle groups with 8-10 repetitions per movement using bodyweight or light resistance, and a cooldown phase incorporating stretching for major muscle groups. Physical fitness was assessed using the Senior Fitness Test at baseline and post-intervention. Group × time interaction effects were analyzed using repeated measures ANOVA. Effect sizes were calculated using partial eta squared (partial η²), with 95% confidence intervals (CI) reported.
resultsSignificant group × time interaction effects were observed for lower-limb strength (post-intervention: EG = 13.40 ± 3.22 vs. CG = 10.55 ± 2.20 reps; partial η² = 0.167, 95% CI [0.041, 0.296], p = 0.02, upper-body strength (15.55 ± 2.88 vs. 11.37 ± 1.71 reps; partial η² = 0.223, 95% CI [0.085, 0.352], p= 0.00), lower-body flexibility (3.69 ± 2.93 vs. 2.50 ± 4.04 cm; partial η² = 0.101, 95% CI [0.013, 0.229], p= 0.01), and aerobic endurance (468.26 ± 88.49 vs. 417.50 ± 33.72 m; partial η² = 0.325, 95% CI [0.172, 0.460], p< 0.001). No significant interactions were found for upper-body flexibility or agility (p>0.05). All values in parentheses represent post-intervention means ± standard deviations.
conclusionsA structured 6-month MIT programme significantly improved key physical fitness domains in older adults, particularly muscular strength and aerobic capacity. These findings underscore the importance of implementing regular, moderate-intensity exercise as a practical strategy to support healthy aging and reduce functional limitations.
trial registrationThe trial was registered at Thai Clinical Trials Registry no TCTR20250407006 (date of registration on April 7, 2025).
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