Effect of Resistance Training Programs With Equated Power on Older Adults' Functionality and Strength: A Randomized Controlled Trial
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Effect of Resistance Training Programs With Equated Power on Older Adults' Functionality and Strength: A Randomized Controlled TrialFecha
2024-01Cita bibliográfica
Fraga-Germade, Enrique1; Carballeira, Eduardo1,2; Iglesias-Soler, Eliseo1. Effect of Resistance Training Programs With Equated Power on Older Adults' Functionality and Strength: A Randomized Controlled Trial. Journal of Strength and Conditioning Research 38(1):p 153-163, January 2024. | DOI: 10.1519/JSC.0000000000004588
Resumen
[Abstract]: This study aimed to compare the effect of 2 training programs of equated power but differing in load intensity on older adults' functionality, strength, performance, and body composition. Forty-four active (23 female) older adults (66.3 ± 4.5 years) were randomly assigned to low-load high-velocity (LL-HV), high-load low-velocity (HL-LV), and control (CON) groups. Low-load high-velocity and HL-LV performed, twice weekly for 5 weeks, a resistance training program at 95% of their individual peak power (PP) but with different load intensities for 3 exercises: chest press (CHP), leg press (LP), and seated row (SR). Before and after the intervention, body composition, functional performance, maximal voluntary isokinetic force (MVF), PP, and a relative load-power profile (L-PP) were evaluated for every exercise. PP similarly improved in the experimental groups for SR and LP (p < 0.05). Both groups increased their MVF for the 3 exercises (p < 0.05). Positive effects on L-PP were observed in LL-HV for SR (p = 0.009) and HL-LV for LP (p < 0.001). CON decreased its global power performance in SR (p = 0.009) and CHP (p = 0.031) compared with the baseline. Both experimental groups improved Timed Up and Go performance (p < 0.05), but only HL-LV increased 6-minute walking performance (pre: 514.3 ± 89.0 m, post: 552.6 ± 65.4 m; p < 0.05). In conclusion, adding short-term power training (i.e., 10 sessions throughout 5 weeks) with loads slightly above the optimal load to nonsupervised multicomponent training might improve active older adults' functional performance and cardiovascular endurance.
Palabras clave
Power training
Functional performance
Optimal load
Velocity training
Maximal voluntary isokinetic force
Load-power profile
Functional performance
Optimal load
Velocity training
Maximal voluntary isokinetic force
Load-power profile
Descripción
© 2023 National Strength and Conditioning Association. Versión aceptada de: Fraga-Germade, Enrique1; Carballeira, Eduardo1,2; Iglesias-Soler, Eliseo1. Effect of Resistance Training Programs With Equated Power on Older Adults' Functionality and Strength: A Randomized Controlled Trial. Journal of Strength and Conditioning Research 38(1):p 153-163, January 2024. | DOI: 10.1519/JSC.0000000000004588 This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/bync-nd/4.0/. This version of the article has been accepted for publication in Journal of Strength and Conditioning Research. The Version of Record is available online at DOI: 10.1519/JSC.0000000000004588
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Atribución-NoComercial-SinDerivadas 3.0 España
ISSN
1064-8011