How many weeks would it take a 300 pound man to lose 50 pounds at a rate of one

Question

How many weeks would it take a 300 pound man to lose 50 pounds at a rate of one pound per week? If his resting VO_2 is .4517min, and if he can exercise comfortably at a VO_2 of 2.25IVmin and a VCO_2 of 2.017min, how many minutes per day would he have to exercise to lose one pound of weight per week (assuming he exercises 7 days/week)? Based on the following data, what is this subject's aerobic energy cost of activity? What is their mechanical efficiency? Can you estimate the keels of heat they likely gave off during this activity? The subject cycled at 150 Watts for 30 minutes. How many minutes per day would they need to do this activity to lose a half pound per week from exercise alone?

Explanation / Answer

6) Rest VCO2 is required for answering this question.

To loose 50 Pounds at the rate of 1Pound/week, it requires 50 weeks.

7) The ratio of V CO2 to VO2 at rest and at exercise remains same, and hence these in no loose of weigt during exercise.

To loose weight there has to be change in the ratio

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