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Metabolic Equations for Gross VO2 in Metric Units

Walking

VO2 (mL . kg-1 . min-1) = (0.1 . S) + (1.8 . S . G) + 3.5 mL. kg-1.min-1

Running

VO2 (mL . kg-1 . min-1) = (0.2 . S) + (0.9 . S . G) + 3.5 mL. kg-1.min-1

Leg Cycling

VO2 (mL . kg-1 . min-1) = 1.8(work rate) / (BM) + 3.5 mL. kg-1.min-1+ 3.5 mL. kg-1.min-1

Arm Cycling

VO2 (mL . kg-1 . min-1) = 3(work rate) / (BM) + 3.5 mL. kg-1.min-1

Stepping

VO2 (mL . kg-1 . min-1) = (0.2 . f) + (1.33 . 1.8 . H . f) + 3.5 mL. kg-1.min-1

VO2 is gross oxygen consumption in mL.kg-1.min-1
S is speed in m.min-1
BM is body mass (kg)
G is the percent grade expressed as a fraction
Work rate (kg.m.min-1)
f is the stepping frequency in minutes
H is step height in meters

 

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