Answer :
The exercise intensity in METs for a 45-year-old male weighing 165 lbs and exercising at 2.26 L/min is 8.61 METs.
MET (Metabolic Equivalent) is a unit used to estimate the intensity of physical activity. It is defined as the ratio of the metabolic rate during an activity to the resting metabolic rate. One MET is equivalent to the energy expended at rest.
To calculate the exercise intensity in METs, we need to determine the metabolic rate of the activity relative to the resting metabolic rate. The MET value can be obtained by dividing the metabolic rate during the activity by the resting metabolic rate.
In this case, the individual is exercising at 2.26 L/min. To convert this value to METs, we compare it to the resting metabolic rate, which is approximately 3.5 mL/kg/min.
First, we convert the weight from pounds to kilograms (165 lbs ≈ 74.84 kg). Then, we calculate the metabolic rate by multiplying the oxygen consumption rate (2.26 L/min) by 1000 to convert it to mL/min and dividing it by the weight in kilograms.
Metabolic Rate = (2.26 L/min * 1000 mL/L) / 74.84 kg = 30.18 mL/kg/min.
Finally, we divide the metabolic rate by the resting metabolic rate to obtain the exercise intensity in METs:
Exercise Intensity (METs) = Metabolic Rate / Resting Metabolic Rate = 30.18 mL/kg/min / 3.5 mL/kg/min = 8.61 METs.
Therefore, the exercise intensity in METs for this individual is 8.61 METs.
Learn more about metabolic Equivalent here:
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