Which of the following represents the approximate sweat rate of an athlete given the following information: Pre-exercise weight: 143 pounds (65kg)
Post exercise weight: 137 pounds (62 kg)
Urine volume: 3 ounces
Drink Volume: 8 oz.
Exercise time: 75 minutes

a. 1.25 oz/min
b. 0.15 oz/min
c. 0.11 oz/min
d. 1.35 oz/min

The correct answer is - b. 0.15 oz/min

Explanation:

Sweat rate can be determined by the difference of pre and post exercise weight and fluid retention divided by exercise time

Sweat rate: {(pre exercise - post exercise weight) + (fluid intake - urine output)}/time

= (143-137)+8-3/75

= 0.15 oz/min.

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