energy expenditure
Burning fuel internally
Energy expenditure is the amount of energy the body uses over a given period, typically measured in calories or joules.
It includes basal metabolism (keeping organs functioning at rest), physical activity, and digestion.
The term appears in fitness, nutrition, and medical contexts: Her daily energy expenditure exceeded her caloric intake, resulting in weight loss.
- basal metabolic rateMinimum energy for survival
- thermogenesisMetabolic production of warmth
- calorimetryMeasuring heat in reactions
- metabolismCellular nutrient conversion
- exertionVigorous physical effort
calorie burn · bioenergetics · cellular respiration · aerobic capacity · mitochondria · oxygen consumption · effort · VO2 max · workout · hitting the gym · activity · heart rate zone · joules · skeletal muscle · active lifestyle · output · cardio · exhaustion
energy expenditureenergy intake
Calories consumed daily
caloric intake · energy absorption · energy consumption · nutrient intake · eating
energy expenditurerest
Cessation of activity
inactivity · idleness · sedentariness · repose · stillness
energy expenditureenergy storage
Capturing power for later
energy conservation · caloric surplus · energy reserves · energy saving
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