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Chronic and Acute Effects of Resistance Exercise on Older Subjects' Blood Pressure

2014-08-27 03:14:06 | BioPortfolio

Summary

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.

Description

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

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Conditions

Blood Pressure

Intervention

Resistance training

Location

School of Physical Education and Sport, University of São Paulo
São Paulo
SP
Brazil
05508-030

Status

Completed

Source

University of Sao Paulo

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:14:06-0400

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Medical and Biotech [MESH] Definitions

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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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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