 Expressing Energy Expenditure  VO 2 LO 2 /min and mLO 2 /kg bwt /min ▪ LO 2 /min is absolute expression ▪ mLO 2 /kg bwt /min is relevant expression ▪ Expressed relevant to body weight  Kcals/min – 5 Kcals/LO 2  METs – equivalent to 3.5 mLO 2 /kg bwt /min  Kcal/kg/hr – 1 Kcal/kg/hr = 1 MET
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