A review of the stroke volume response to upright exercise in healthy subjects
Vella, C.A. & Robergs, R.A. (2005) A review of the stroke volume response to upright exercise in healthy subjects. British Journal of Sports Medicine, 39(4), pp. 190-195.
Traditionally, it has been accepted that, during incremental exercise, stroke volume plateaus at 40 of VO2MAX. However, recent research has documented that stroke volume progressively increases to VO2MAX in both trained and untrained subjects. The stroke volume response to incremental exercise to VO2MAX may be influenced by training status, age, and sex. For endurance trained subjects, the proposed mechanisms for the progressive increase in stroke volume to VO2MAX are enhanced diastolic filling, enhanced contractility, larger blood volume, and decreased cardiac afterload. For untrained subjects, it has been proposed that continued increases in stroke volume may result from a naturally occurring high blood volume. However, additional research is needed to evaluate the importance of blood volume, or other mechanisms, that influence the stroke volume response to exercise in untrained subjects.
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|Item Type:||Journal Article|
|Keywords:||adult; age distribution; aged; blood volume; diastolic blood pressure; endurance; evaluation; exercise; female; gender; heart muscle contractility; heart stroke volume; human; human experiment; male; normal human; oxygen consumption; review; systematic re, Adolescent; Adult; Aged; Aged, 80 and over; Aging; Exercise; Female; Humans; Male; Middle Aged; Oxygen Consumption; Physical Endurance; Sex Factors; Stroke Volume|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Schools > School of Exercise & Nutrition Sciences
|Deposited On:||04 Aug 2016 05:44|
|Last Modified:||04 Aug 2016 05:45|
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