ArticleEuropean geriatric medicine2026
Effect of bodyweight interval training on frailty status in older adults: a randomized controlled trial.
Article in European geriatric medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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13 authors.
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Abstract
purposeTo evaluate the effect of bodyweight interval training on frailty status in older adults.
methodsA randomized controlled trial was conducted with 60 frail older adults (74.0 ± 6.0 years; 72.4% women). Participants were allocated to bodyweight interval training (BWIT = 30) for 24 weeks or to a control group (CG = 30) instructed to maintain their usual physical activities. Frailty status (Fried phenotype), physical-functional performance, cardiohemodynamic responses, and body composition were assessed at baseline and after 12 and 24 weeks. Longitudinal effects were analyzed using linear mixed-effects models and categorical between-group comparisons.
resultsBWIT was associated with a higher probability of transition to less frail states over 24 weeks (p < 0.001), whereas the control group remained stable. Significant effects were observed in the intervention group (OR = 15.44; p = 0.006) and over time at 12 weeks (OR = 4.96; p = 0.005) and 24 weeks (OR = 15.24; p < 0.001). BWIT improved knee extension strength, five-times sit-to-stand performance, gait speed, and reduced blood pressure parameters (p < 0.001), with no relevant changes in body composition.
conclusionBWIT was effective in modifying frailty status in older adults over 24 weeks and may represent a feasible and accessible strategy for frailty management in primary health care.
trial registrationRBR-23t5jbh (Brazilian Registry of Clinical Trials), registered September 4, 2024, retrospectively registered.
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