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The study aimed to evaluate the chronic and acute effects of high-intensity resistance training on blood pressure and its hemodynamic and neural determinators in healthy normotensive older subjects.
To investigate the chronic and acute effects of resistance training on blood pressure and its hemodynamic and neural determinators in elderly, 24 healthy normotensive older subjects were randomly divided into 2 groups: trained and control. The trained group was submitted a progressive high-intensity resistance training. Before and after 16 weeks, as well as, before and after the one training session, blood pressure (clinic and ambulatory), cardiac output (CO2 rebreathing), and autonomic modulation (spectral analysis of heart rate and blood pressure variabilities) were measured
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
School of Physical Education and Sport, University of São Paulo
University of Sao Paulo
Published on BioPortfolio: 2014-08-27T03:14:06-0400
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A response by the BARORECEPTORS to increased BLOOD PRESSURE. Increased pressure stretches BLOOD VESSELS which activates the baroreceptors in the vessel walls. The net response of the CENTRAL NERVOUS SYSTEM is a reduction of central sympathetic outflow. This reduces blood pressure both by decreasing peripheral VASCULAR RESISTANCE and by lowering CARDIAC OUTPUT. Because the baroreceptors are tonically active, the baroreflex can compensate rapidly for both increases and decreases in blood pressure.
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A type of strength-building exercise program that requires the body muscle to exert a force against some form of resistance, such as weight, stretch bands, water, or immovable objects. Resistance exercise is a combination of static and dynamic contractions involving shortening and lengthening of skeletal muscles.
The force that opposes the flow of BLOOD through a vascular bed. It is equal to the difference in BLOOD PRESSURE across the vascular bed divided by the CARDIAC OUTPUT.
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