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T-Space at The University of Toronto Libraries >
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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25767

Title: The Relationship between Acute and Chronic Aerobic Exercise Response in Pre-hypertensive Individuals
Authors: Liu, Sam
Advisor: Thomas, Scott
Department: Exercise Sciences
Keywords: Exercise, blood pressure
pre-hypertension, post exercise hypotension
Issue Date: 10-Jan-2011
Abstract: Aerobic exercise is recommended as a lifestyle intervention to reduce blood pressure (BP) in individuals with elevated BP (SBP/DBP >120/80 mmHg). However, the BP response is highly variable after both acute (SBP/DBP: –27 to 9/-8 to 7mmHg) and chronic aerobic exercise (-20 to 9/ -11 to 11.3mmHg). We attempt to identify those who are resistant or responsive to training based on their responses to acute (one-bout) exercise. 17 prehypertensive (120 to 139/80 to 89mmHg) males and females (45-60yrs) underwent acute exercise assessments before and after an 8-week walking/jogging program. The magnitude of change in BP after acute exercise significantly correlated (r=.89, p < .01) with the magnitude of change in resting BP after the training. The antihypertensive mechanisms (total peripheral resistance, baroreflex sensitivity) for acute exercise were not correlated to those for chronic exercise. Central cardiovascular controls may link BP reductions after both acute and chronic exercise.
URI: http://hdl.handle.net/1807/25767
Appears in Collections:Master
Graduate Department of Exercise Sciences - Master theses

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