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JEPonlineAPRIL2017_Drouet_Brown.doc - 17 Journal of...

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Journal of Exercise Physiology online April 2017 Volume 20 Number 2 Official Research Journal of the American Society of Exercise Physiologists ISSN 1097-9751 17 JEP online Hypotensive Effects Following Upper vs. Lower Body Resistance Exercise Between Normotensive and Prehypertensive Men Phillip C. Drouet 1 , David C. Archer 1 , Cameron N. Munger 1 , Jared W. Coburn 1 , Pablo B. Costa 1 , Martim Bottaro 2 , Lee E. Brown 1 1 California State University, Fullerton, Department of Kinesiology, Fullerton, CA, United States, 2 University of Brasília, College of Physical Education, Brasília, Brazil
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18 ABSTRACT Drouet PC, Archer DC, Munger CN, Coburn JW, Costa PB, Bottaro M, Brown LE . Hypotensive Effects Following Upper vs. Lower Body Resistance Exercise Between Normotensive and Prehypertensive Men. JEP online 2017;20(2):17-27. The purpose of this study was to compare the effects of lower body resistance exercise (LBRE) and upper body resistance exercise (UBRE) on post-exercise hypotension (PEH) between normotensive (NT) men and prehypertensive (PHT) men. Twenty-four recreationally trained men performed UBRE and LBRE on 2 separate days followed by 60 min of quiet seated rest. Blood pressure was measured immediately post-exercise and every 10 min for 60 min thereafter. Systolic blood pressure (SBP) results demonstrated a group x time interaction where NT immediately post was higher than all other time points. For PHT, immediately post was higher than all other time points, and 50 and 60 min post were lower than rest. Diastolic blood pressure demonstrated a condition x time interaction where lower body immediately post was higher than all other time points, 30 min post was lower than 20 min post, and 50 min post was lower than 60 min post. For upper body, 10 min post was lower than rest, immediately post, 30, 40, 50, and 60 min post. Also, 20 min post was lower than rest, immediately post, 50, and 60 min. Post-exercise hypotension occurred for SBP in PHT men but not in NT men. Key Words: Post-Exercise Blood Pressure INTRODUCTION Exercise has been used as a method to achieve, maintain, and improve health, fitness, and sports performance. Different methods of exercise such as aerobic and resistance training (RT) are used to achieve these goals. Understanding the physiological effects of exercise on the body is the key to ensuring safety, progression, and the benefits of exercise. Performance benefits achieved through exercise include increased maximal oxygen consumption (VO 2 max), muscular strength, endurance, and/or power. Cardiovascular benefits of regular exercise include a reduction in resting blood pressure (BP) (31), which is critical in reducing the risk of cardiovascular disease (CVD) (7). Blood pressure is the pressure exerted against the arterial walls as blood is ejected from the heart (systolic blood pressure, SBP) and while the heart fills (diastolic blood pressure, DBP). Values are reported as SBP over DBP (i.e., SBP/DBP) and are measured in millimeters of mercury (mmHg). Classifications of BP according to the American Heart Association (2) are
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