The Concept of CMR
The Obesity and Type 2 Diabetes Epidemics
Energy Expenditure
- 1Key Points (1 page)
- 2An introduction to energy expenditure (2 pages)
- 3Physical activity and energy expenditure (2 pages)
- 4References (1 page)
Key Points
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- Obesity and related comorbidities occur when energy intake exceeds energy expenditure over time.
- In sedentary individuals, resting metabolic rate accounts for a large part of total energy expenditure.
- Physical activity increases energy expenditure by increasing resting metabolic rate, enhancing sensitivity to specific hormones, and decreasing post-exercise energy intake.
- Physical activity has the greatest impact on total daily energy expenditure. However, a high level of physical activity is required for this to occur.
- Exercise benefits cardiovascular health and risk factors beyond what can be explained by increased energy expenditure.
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