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Define energy balance
The relationship between energy intake and energy expenditure
If EI equals EE
neutral energy balance, constant weight
If EI exceeds EE
positive energy balance, excess energy stored as fat tissue, weight gain
If EI is less than EE
negative energy balance, weight loss
Define energy
Ability to perform work
Define Physical activity energy expenditure
energy used in performing our daily tasks
Define energy intake
Total energy value from dietary intake
Metabolic equivalent definition
Ratio of a performers working metabolic rate to their resting metabolic rate
Define energy expenditure
Sum of physical activity, TEF and RMR
What is the thermic effect?
% of energy used in the process of eating and digesting food and drink consumed
RMR definition
Lowest rate of EE to sustain the body’s resting physical function