Asier Mañas1, Paola Gómez-Redondo2, Pedro L Valenzuela3, Javier S Morales4, Alejandro Lucía5, Ignacio Ara2. 1. GENUD Toledo Research Group, University of Castilla-La Mancha, Toledo, Spain; CIBER of Frailty and Healthy Aging (CIBERFES), Madrid, Spain. Electronic address: asier.manas@uclm.es. 2. GENUD Toledo Research Group, University of Castilla-La Mancha, Toledo, Spain; CIBER of Frailty and Healthy Aging (CIBERFES), Madrid, Spain. 3. Department of Systems Biology, University of Alcalá, Madrid, Spain. 4. Faculty of Sport Sciences, Universidad Europea de Madrid, Madrid, Spain. 5. CIBER of Frailty and Healthy Aging (CIBERFES), Madrid, Spain; Faculty of Sport Sciences, Universidad Europea de Madrid, Madrid, Spain; Research Institute of the Hospital 12 de Octubre ('i + 12'), Madrid, Spain.
Abstract
BACKGROUND: We aimed to summarize evidence on the safety, adherence and effectiveness of home-based resistance training (UHBRT) for improving health-related endpoints in community-dwelling older adults. METHODS: Randomized controlled trials of UHBRT in older adults (≥60yrs) were included after a systematic search (PubMed, CINAHL, PsycInfo, SPORTDiscus, Web of Science, MEDLINE, Cochrane Central Register of Controlled Trials) until 02/19/2021. Adverse events and adherence rates were assessed as indicators of feasibility. Other endpoints included physical (muscle strength, muscle power, balance, physical performance) and mental-related measures (cognition, quality of life [QoL]) as well as other health-related variables (body composition, physical activity levels, falls). RESULTS: 21 studies (N = 4,053) were included. No major adverse events were reported, with adherence averaging 67 % (range 47-97 %). UHBRT significantly improved lower-limb muscle strength (Hedges' g = 0.33; 95 % confidence interval [CI] = 0.11-0.57), muscle power measured through the sit-to-stand test (g = 0.44; 95 %CI = 0.06-0.84), and balance (assessed with the postural sway, g = 0.32; 95 %CI = 0.16-0.49). No benefits were found for other strength indices (handgrip strength), balance (single leg stance and functional reach test), physical performance (walking speed, TUG and SPPB), QoL, nor for the risk or rate of falls (all p > 0.05, g<0.61). No meta-analysis could be performed for the remaining endpoints. CONCLUSIONS: Although efforts are needed to increase adherence, preliminary evidence suggests that UHBRT can be safe and modestly effective for improving some measures of lower-limb muscle strength, balance, and muscle power in community-dwelling older adults. However, no benefits were found for other physical fitness measures, QoL or falls. More evidence is therefore needed to draw definite conclusions.
BACKGROUND: We aimed to summarize evidence on the safety, adherence and effectiveness of home-based resistance training (UHBRT) for improving health-related endpoints in community-dwelling older adults. METHODS: Randomized controlled trials of UHBRT in older adults (≥60yrs) were included after a systematic search (PubMed, CINAHL, PsycInfo, SPORTDiscus, Web of Science, MEDLINE, Cochrane Central Register of Controlled Trials) until 02/19/2021. Adverse events and adherence rates were assessed as indicators of feasibility. Other endpoints included physical (muscle strength, muscle power, balance, physical performance) and mental-related measures (cognition, quality of life [QoL]) as well as other health-related variables (body composition, physical activity levels, falls). RESULTS: 21 studies (N = 4,053) were included. No major adverse events were reported, with adherence averaging 67 % (range 47-97 %). UHBRT significantly improved lower-limb muscle strength (Hedges' g = 0.33; 95 % confidence interval [CI] = 0.11-0.57), muscle power measured through the sit-to-stand test (g = 0.44; 95 %CI = 0.06-0.84), and balance (assessed with the postural sway, g = 0.32; 95 %CI = 0.16-0.49). No benefits were found for other strength indices (handgrip strength), balance (single leg stance and functional reach test), physical performance (walking speed, TUG and SPPB), QoL, nor for the risk or rate of falls (all p > 0.05, g<0.61). No meta-analysis could be performed for the remaining endpoints. CONCLUSIONS: Although efforts are needed to increase adherence, preliminary evidence suggests that UHBRT can be safe and modestly effective for improving some measures of lower-limb muscle strength, balance, and muscle power in community-dwelling older adults. However, no benefits were found for other physical fitness measures, QoL or falls. More evidence is therefore needed to draw definite conclusions.
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