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The exercise paradox emerged from studies comparing calorie expenditure between different populations. Fieldwork on the Hadza people, a hunter-gatherer tribe in Tanzania, revealed that despite their high levels of physical activity, the tribe burned a similar number of calories per day as sedentary individuals in industrialized societies.
The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR).. The estimated BMR value may be multiplied by a number that corresponds to the individual's activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight.
For reference, a normal high-intensity exercise session would typically cause a calorie burn of about 9.2 calories per minute (that's an estimate: these studies are very limited, and more research ...
The metabolic equivalent of task (MET) is the objective measure of the ratio of the rate at which a person expends energy, relative to the mass of that person, while performing some specific physical activity compared to a reference, currently set by convention at an absolute 3.5 mL of oxygen per kg per minute, which is the energy expended when sitting quietly by a reference individual, chosen ...
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Calories Burned Walking *Based on a one-hour workout for a 150-pound person Light Intensity: Walking at about 2.5 mph on a firm, level surface = 3.0 MET = 205 calories per hour
Chewing gum has been speculated as a "negative-calorie food"; A study on chewing gum reported mastication burns roughly 11 kcal (46 kJ) per hour. [8] Therefore, to reach "negative-calorie" one has to chew for almost 6 minutes per kcal (one chewing gum can have a large range of kcal from around 2 to 15 kcal).
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