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    21 Energy Expenditure

    21 Energy Expenditure

    Energy Expenditure

    Energy Expenditure kcal/kg/min

    Consumed life support power. The average energy expended on life support is 2300 kcal for a person weighing 70 kg per day. The consumed life support power is provided by changes in free energy during complete combustion of 1 mole of palmitic acid and is 2338 kcal. The energy-rich phosphate bond is characterized by a value of 7.6 kcal/mol. Thus, with complete oxidation of one molecule of palmitic acid there are 130 molecules of ATP. When recalculated per kilogram of weight, this value varies from 1 kcal/kg/min to 20 and higher. This is due to the saturation of arterial blood with oxygen, the ability of haemoglobin to bind and release oxygen to tissues.

     

     

     

    1.       https://www.ucdenver.edu/docs/librariesprovider65/clinical-services/sports-medicine/estimating-energy-expenditure.pdf?sfvrsn=eb335bb9_2#:~:text=Energy%20expenditure%20(calories%2Fminute),weight%20in%20pounds%20by%202.2.)

    2.   https://www.researchgate.net/publication/325196978_Evaluation_of_Energy_Expenditure_and_Oxidation_of_Energy_Substrates_in_Adult_Males_after_Intake_of_Meals_with_Varying_Fat_and_Carbohydrate_Content

    3.       https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6412759/

     

    Published on 13 May 2024