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Influence of initial metabolic rate on the power-duration relationship for all-out exercise

Len Parker Simpson1, Andrew M Jones, Anni Vanhatalo

  • 1Sport and Health Sciences, College of Life and Environmental Sciences, St Luke's Campus, University of Exeter, Heavitree Road, Exeter, EX1 2LU, UK.

European Journal of Applied Physiology
|November 5, 2011
PubMed

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The human body is a powerhouse of energy, with every cell performing numerous functions that require energy. This energy production and consumption is measured by the metabolic rate, which quantifies the total heat generated by all the body's chemical reactions and mechanical work. This measurement helps to determine the rate of kilocalorie (kcal) consumption needed to fuel all ongoing activities.
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The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
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