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MOVESCI 340 EXAM 1
Study
Define energy balance and outline the different factors affecting energy
expenditure
EB: if the amount of calories burned = the amount of calories consumed by an individual
then weight stays the same
Factors: thermic effect of feeding, thermic effect of physical activity, and BMR (basal
metabolic rate)
BMR
-Basal metabolic rate estimates minimal energy required to sustain the body's vital
function
-estimates minimum calories
RMR
-less strict than BMR
-both measure O2 consumption
-RMR=BMR
How does PA effect EE?
-source of greatest change in energy expenditure
-accounts for 15-30% of daily EE
-vigorous exercise can increase EE 10x above resting
2018 Recommended physical activity for adults?
-150/300 mins/week of moderate intensity aerobic or 75-150mins/week of vigorous
activity
-2x/week strength and resistance training
Define MEts and define if this is absolute or relative intensity
-Metabolic equivalent of Task
-Defined as multiples of RMR
-One met= 3.5 mL O2 kg BW/min
-Relative Intensity
Dietary induced thermogenesis
1) Obligatory- comes from food digestion processes like absorption and assimilation
2) Facultative: related to an increased activation of sympathetic nervous system which
can lead to an increase of energy metabolism
What are the estimations of average daily EE?
Men: 2700-3000
Women: 2000-2100
Outline the contents of fats, carbohydrates, and proteins