Effect of strength training on rate of force development in older women
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Data
2012-01-01
Autores
Gurjão, André Luiz Demantova [UNESP]
Gonçalves, Raquel [UNESP]
Gobbi, Sebastião [UNESP]
Gobbi, Lilian Teresa Bucken [UNESP]
Carneiro, Nelson Hilário
Ferreira de Moura, Rodrigo
Cyrino, Edilson Serpeloni
Altimari, Leandro Ricardo
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Resumo
We analyzed the effect of an 8-week strength training (ST) program on the rate of force development (RFD) and electromyographic activity (EMG) in older women. Seventeen women (M age = 63.4 years, SD = 4.9) without previous ST experience were randomly assigned to either a control (n = 7) or training (n = 10) group. A leg-press isometric test was used for assessment. ST (three sessions/week, three sets of 10–12 repetition maximum, five different exercises) induced significant increases (p < .05) on peak RFD (48.4%) and on RFD and EMG of vastus medialis at time intervals of 0–50, 0–100, 0–150, and 0–200 ms (41.1–69.2% and 43.8– 64.3%, respectively). Therefore, ST resulted in favorable changes in neuromuscular responses in older women. © 2012 by the American Alliance for Health, Physical Education, Recreation and Dance.
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Aging, Muscle activation, Neuromuscular performance, Resistance training
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Research Quarterly for Exercise and Sport, v. 83, n. 2, p. 268-275, 2012.