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Title: Introduction to energy and expenditure (lecture 1)
Description: Summary of 1st year physiology lecture 1 on the basics of energy expenditure. topics covered: what is sport and exercise physiology? energy how do we measure energy expenditure? Daily energy expenditure
Description: Summary of 1st year physiology lecture 1 on the basics of energy expenditure. topics covered: what is sport and exercise physiology? energy how do we measure energy expenditure? Daily energy expenditure
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Lecture 1 – introduction to energy expenditure
What is sport and exercise physiology?
The study of biological function and regulation
...
This can be viewed at different
levels:
Molecular
Cellular
Tissue
systems
whole organisms
Energy
The supply can be described using the 1st law of thermodynamics which is that, energy
can be transformed but never created or destroyed
...
The expenditure of a fixed amount of energy
always equals the production of a fixed amount of heat
...
The caloric equivalent of oxygen = respiratory exchange ratio (RER)
RER = VCO2 produced / VO2 consumed
Energy expenditure = volume of oxygen consumed X kcal equivalent or:
EE(kcal/min) = VO2 (L/min) X RER (kcal/L)
Daily energy expenditure
At rest we consume:
Per minute = 0
Title: Introduction to energy and expenditure (lecture 1)
Description: Summary of 1st year physiology lecture 1 on the basics of energy expenditure. topics covered: what is sport and exercise physiology? energy how do we measure energy expenditure? Daily energy expenditure
Description: Summary of 1st year physiology lecture 1 on the basics of energy expenditure. topics covered: what is sport and exercise physiology? energy how do we measure energy expenditure? Daily energy expenditure