Questions and Answers
What does one MET represent in terms of energy expenditure?
Resting energy expenditure
How is exercise different from physical activity?
Exercise is planned and structured, physical activity is not
What is the primary factor that distinguishes varying types of physical activity?
The amount of energy they require
What is the main purpose of physical fitness?
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What does a MET of 2 represent in terms of energy expenditure?
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Study Notes
Energy Expenditure and METs
- One MET (Metabolic Equivalent of Task) represents the energy cost of sitting quietly, equivalent to an oxygen uptake of 3.5 ml/kg/min.
- A MET of 2 represents an energy expenditure that is twice the resting energy expenditure, equivalent to an oxygen uptake of 7 ml/kg/min.
Exercise and Physical Activity
- Exercise is a type of physical activity that is planned, structured, and repetitive, with the goal of improving or maintaining physical fitness.
- Physical activity is a broader term that includes all bodily movements, regardless of their purpose or intensity.
Types of Physical Activity
- The primary factor that distinguishes varying types of physical activity is its intensity, which is often measured in METs.
Physical Fitness
- The main purpose of physical fitness is to improve overall health and well-being by developing the ability to perform daily tasks with vigor and efficiency.
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