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Efeito do exercício terapêutico resistido em membros inferiores associado ao exercício aeróbico, no controlo da hipertensão arterial de idosos
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Abstract(s)
O objetivo do presente estudo foi realizar um estudo randomizado, sobre o efeito do exercício físico resistido em membros inferiores (MMII) associado ao aeróbico em indivíduos idosos portadores de hipertensão arterial no município de Araruama. Um total de 43 indivíduos selecionados para o estudo, com uma média de idades 68,44 ± 3,94 anos, sendo 17 indivíduos do género masculino (39,5%) e 26 do género feminino (60,5%), foram randomizados e alocados de forma aleatória, e divididos em dois grupos (Grupo controlo 21) e (Grupo experimental 22) com os quais foram executados dois programas de atividades física: o grupo de controlo caminhada e o grupo experimental caminhada e exercício de força nos MMII, durante 12 semanas, três sessões por semana com duração de 60 minutos, Todos os indivíduos passaram previamente por tomada dos dados sociodemográficos e de aferição da pressão arterial e realização do teste de caminhada 6 minutos e de uma repetição máxima. Antes de cada sessão de exercícios e após 5 minutos de repouso era verificada a pressão arterial e no final das 12 semanas de intervenção foi realizada uma média dessas pressões utilizando a fórmula de pressão média (PAM). O exercício terapêutico aeróbico realizado foi a caminhada numa passadeira ergométrica com duração de até 30 minutos, a 40%-60% da Frequência Cardíaca de Reserva. Para acompanhar a intensidade de treino aeróbico, utilizamos a escala de Borg e a frequência cardíaca. O grupo de exercícios aeróbico e resistido realizou a caminhada numa passadeira ergométrica com duração de até 30 minutos como já descrito, e exercício resistido com duração de 15 minutos no total. Os exercícios foram executados no formato circuito sendo realizados em três séries de 8 a 12 repetições de 60 a 70% de uma repetição máxima. Foi verificado melhorias em todas as variáveis nos dois grupos analisados. Com relação a PAM observamos um efeito hipotensor em todos os idosos dos dois grupos, independente do treino realizado.
The objective of the present study was to carry out a randomized study on the effect of resistance physical exercise in the lower limbs (LL) associated with aerobic exercise in elderly individuals with arterial hypertension in the city of Araruama. A total of 43 individuals selected for the study, with a mean of 68,44 ± 3,94 years, being 17 males (39,5%) and 26 females (60,5%), were randomly allocated, and divided into two groups (Control Group 21) and (Experimental Group 22) with which two physical activity programs were performed: control group, a supervised walking and the experimental group performed walking and strength exercise in lower limbs, for 12 weeks, three sessions per week lasting 60 minutes. All individuals previously underwent two evaluation stages, which consisted of taking sociodemographic data and measuring blood pressure and performed 6 minute walking test and one maximum repetition. Before each exercise session and after 5 minutes of rest, blood pressure was checked and at the end of the 12 weeks of intervention, an average of these pressures was performed using the mean pressure formula. The aerobic therapeutic exercise performed was walking on a treadmill lasting up to 30 minutes, at 40%-60% of the Heart Rate Reserve. To monitor the intensity of aerobic training, we used the Borg scale and the heart rate monitor. The aerobic and resistance exercise group performed the walk on the treadmill lasting up to 30 minutes, as already described, and resistance exercise lasting 15 minutes in total. The exercises were performed in circuit format being performed in three sets of 8 to 12 repetitions of 60 to 70% of one repetition maximum. Improvements were observed in all variables in the two groups analyzed. Regarding blood pressure, we observed a hypotensive effect in all the elderly in both groups, regardless of the training performed.
The objective of the present study was to carry out a randomized study on the effect of resistance physical exercise in the lower limbs (LL) associated with aerobic exercise in elderly individuals with arterial hypertension in the city of Araruama. A total of 43 individuals selected for the study, with a mean of 68,44 ± 3,94 years, being 17 males (39,5%) and 26 females (60,5%), were randomly allocated, and divided into two groups (Control Group 21) and (Experimental Group 22) with which two physical activity programs were performed: control group, a supervised walking and the experimental group performed walking and strength exercise in lower limbs, for 12 weeks, three sessions per week lasting 60 minutes. All individuals previously underwent two evaluation stages, which consisted of taking sociodemographic data and measuring blood pressure and performed 6 minute walking test and one maximum repetition. Before each exercise session and after 5 minutes of rest, blood pressure was checked and at the end of the 12 weeks of intervention, an average of these pressures was performed using the mean pressure formula. The aerobic therapeutic exercise performed was walking on a treadmill lasting up to 30 minutes, at 40%-60% of the Heart Rate Reserve. To monitor the intensity of aerobic training, we used the Borg scale and the heart rate monitor. The aerobic and resistance exercise group performed the walk on the treadmill lasting up to 30 minutes, as already described, and resistance exercise lasting 15 minutes in total. The exercises were performed in circuit format being performed in three sets of 8 to 12 repetitions of 60 to 70% of one repetition maximum. Improvements were observed in all variables in the two groups analyzed. Regarding blood pressure, we observed a hypotensive effect in all the elderly in both groups, regardless of the training performed.
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Keywords
Exercício aeróbico Exercício resistido Hipertensão arterial Idoso Aerobic exercise Resistance exercise Arterial hypertension Elderly