Hypotensive effect of resistance exercises performed with different intensities in hypertensive elderly women

Nívea Maria de Oliveira Jacques, Felipe J Aidar, L. Leitão, M. Espada, Aldo M. Costa, Ana Pereira
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Abstract

Systemic arterial hypertension represents one of the principal risk factors for the increase of cardiovascular diseases, especially in the elderly people. On post-exercise, blood pressure responses (BP) may decrease and this effect have a relevant clinical importance. However, further studies are needed to better understand the effects of different intensities and exercise modes. The aim of this study was to analyse the hypotensive effect of resistance exercises on BP of controlled hypertensive women performed at different intensities. The study sample was composed by 13 hypertensive elderly women (65.5±4.2 years), submitted to two different training intensities: 50% and 70% of 10 RM. After the resistant exercise systolic and diastolic blood pressure were measured during 1 hour and every 10 minutes. Significant differences were found only in diastolic blood pressure (DBP) measured at 10 (p=0.034), 20 (p=0.042), 30 (p=0.031), 45 (p=0.035) and 60 minutes (p=0.017) after the effort. Our data suggest that resistance exercise does not result in PEH in hypertensive elderly women without significant effects on diastolic blood pressure at different intensities. *Correspondence to: Aldo M. Costa, Department of Sports Sciences, University of Beira Interior, Covilhã, Portugal, Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, Vila Real, Portugal, Health Sciences Research Center, CICS-UBI, Covilhã, Portugal, E-mail: anapereiraphd@gmail.com
不同强度抗阻运动对老年高血压妇女的降压效果
系统性动脉高血压是心血管疾病增加的主要危险因素之一,特别是在老年人中。在运动后,血压反应(BP)可能会降低,这种影响具有相关的临床意义。然而,需要进一步的研究来更好地了解不同强度和运动模式的影响。本研究的目的是分析不同强度的抗阻运动对控制高血压妇女血压的降压作用。研究样本由13名老年高血压女性(65.5±4.2岁)组成,接受两种不同的训练强度:10 RM的50%和70%。抗阻运动后,每隔10分钟测一次收缩压和舒张压。只有在术后10分钟(p=0.034)、20分钟(p=0.042)、30分钟(p=0.031)、45分钟(p=0.035)和60分钟(p=0.017)测量的舒张压(DBP)存在显著差异。我们的数据表明,阻力运动不会导致老年高血压妇女的PEH,对不同强度的舒张压没有显著影响。*通信对象:Aldo M. Costa,贝拉内河大学体育科学系,Covilhã,葡萄牙,葡萄牙雷亚尔市CIDESD体育科学、健康科学和人类发展研究中心,CICS-UBI健康科学研究中心,Covilhã,葡萄牙,E-mail: anapereiraphd@gmail.com
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