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Effect of two different weekly resistance training frequencies on muscle strength and blood pressure in normotensive older women / Efeito de duas diferentes frequências semanais de treinamento com pesos sobre a força muscular e pressão arterial em mulheres idosas normotensas
Silva, Renato Galindo da; Silva, Danilo Rodrigues Pereira da; Pina, Fábio Luiz Cheche; Nascimento, Matheus Amarante do; Ribeiro, Alex Silva; Cyrino, Edilson Serpeloni.
  • Silva, Renato Galindo da; Londrina State University. Department of Physical Education and Sports. Group of Studies and Research in Metabolism, Nutrition and Exercise. Londrina. BR
  • Silva, Danilo Rodrigues Pereira da; Londrina State University. Department of Physical Education and Sports. Group of Studies and Research in Metabolism, Nutrition and Exercise. Londrina. BR
  • Pina, Fábio Luiz Cheche; Londrina State University. Department of Physical Education and Sports. Group of Studies and Research in Metabolism, Nutrition and Exercise. Londrina. BR
  • Nascimento, Matheus Amarante do; Londrina State University. Department of Physical Education and Sports. Group of Studies and Research in Metabolism, Nutrition and Exercise. Londrina. BR
  • Ribeiro, Alex Silva; Londrina State University. Department of Physical Education and Sports. Group of Studies and Research in Metabolism, Nutrition and Exercise. Londrina. BR
  • Cyrino, Edilson Serpeloni; Londrina State University. Department of Physical Education and Sports. Group of Studies and Research in Metabolism, Nutrition and Exercise. Londrina. BR
Rev. bras. cineantropom. desempenho hum ; 19(1): 118-127, Jan.-Feb. 2017. tab
Article in English | LILACS | ID: biblio-843421
ABSTRACT
Abstract The aim of this study was to analyze the effect of two different weekly resistance training (RT) frequencies on muscle strength and blood pressure (BP) in normotensive older women. Thirty normotensive and physically independent older women participated in the study, which were divided into two groups RT performed in two weekly sessions (G2X, n = 17; 67.6 ± 4.6 years; 69.7 ± 13.4 kg; 156.6 ± 5.8 cm) and three weekly sessions (G3X; n = 13; 68.7 ± 5.0 years; 69.8 ± 16.1 kg, 155.2 ± 7.8 cm). The RT program was composed by eight exercises for different muscle groups (upper limbs, trunk and lower limbs), lasting 24 weeks (two phases of 12 weeks each). In the first phase, exercises were performed in one set of 10-15 maximum repetitions per exercise, while in the second phase, two sets were performed. BP and muscle strength (1RM) measures were performed at pre-training and after 12 and 24 weeks of RT. Increases in total muscle strength (P < 0.05) were observed in both groups (G2X = 16.8% and G3X = 18.9%), with no difference between groups. On the other hand, no significant changes (P > 0.05) in systolic BP and diastolic BP were found in both groups. The results suggest that 24 weeks of a supervised RT program improve muscle strength without affecting BP in normotensive older women, regardless of frequency of two or three weekly sessions.
RESUMO
Resumo O objetivo do presente estudo foi analisar o efeito de duas diferentes frequências semanais ao treinamento com pesos (TP) sobre a força muscular e pressão arterial (PA) em mulheres idosas normotensas. Trinta mulheres normotensas e fisicamente independentes foram divididas em dois grupos TP realizado em duas sessões semanais (G2X; n = 17; 67,6 ± 4,6 anos; 69,7 ± 13,4 kg; 156,6 ± 5,8 cm) e em três sessões semanais (G3X; n = 13; 68,7 ± 5,0 anos; 69,8 ± 16,1 kg; 155,2 ± 7,8 cm). O programa de TP foi composto por oito exercícios para os diferentes segmentos corporais (membros superiores, tronco e membros inferiores) e teve a duração de 24 semanas (duas etapas com duração de 12 semanas cada). Na primeira etapa todos os exercícios foram executados em uma única série de 10-15 repetições máximas, ao passo que na segunda etapa houve a progressão para duas séries por exercício. Medidas de pressão arterial (PA) e força muscular (testes de 1RM) foram realizadas nos momentos pré-treinamento, após 12 e 24 semanas de TP. Aumentos significantes na força muscular (P < 0,05) foram encontrados em ambos os grupos (G2X = +16,8% vs. G3X = +18,9%), sem diferenças entre eles. Por outro lado, nenhuma alteração significante foi identificada na PA sistólica e diastólica ao longo do tempo em nenhum dos grupos (P > 0,05). Os resultados do presente estudo sugerem que 24 semanas de um programa de TP supervisionado melhoram a força muscular, sem acarretar modificações na PA, em mulheres idosas normotensas, independente da frequência de duas ou três sessões semanais.
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Full text: Available Index: LILACS (Americas) Main subject: Muscle Strength / Resistance Training / Arterial Pressure Limits: Aged / Female / Humans Language: English Journal: Rev. bras. cineantropom. desempenho hum Journal subject: Physical Education / Sports Medicine / MEDICINA FISICA E REABILITACAO Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Londrina State University/BR

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Full text: Available Index: LILACS (Americas) Main subject: Muscle Strength / Resistance Training / Arterial Pressure Limits: Aged / Female / Humans Language: English Journal: Rev. bras. cineantropom. desempenho hum Journal subject: Physical Education / Sports Medicine / MEDICINA FISICA E REABILITACAO Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Londrina State University/BR