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Lab 1 Metabolism during Rest The purpose of this lab is to learn about indirect calorimetry by testing humans lying at rest We also see how Resting Metabolic Rate is altered by diet and body composition Last we learn the techniques used in measuring gas exchange in this case the use of a tissot tank and gas analysis The methods used are found in A Manual of Laboratory Experiments In Exercise Physiology for EXS 101L pp4-8 2000 The subject volunteers were to meet specific criteria to give us meaningful results that were compatible to the labs objectives Subject 1 male had a weight of 7276 kg lean weight of 59256 kg and a fat weight of 13504 kg Subject 2 female had a weight of 5079 kg lean weight of 3933 kg and a fat weight of 1146 kg The recommended proportion of calories from protein fat and carbohydrates are as follows protein 10-15 fat 30 and carbohydrates 55-60 Subject 1s results were 16 protein 27 fat and 57 carbohydrates Subject 2s results were 16 protein 37 fat and 47 carbohydrates Subject 1s proportion of calories better follows the recommended Subject 1s VO2 is higher than Subject 2s We are considering the relationship between resting VO2 and body size When comparing the results between the two subjects we must recognize some possible factors why their results ended up the way they did Chances of human error can occur whether it be incorrect lab procedures or calculations Also the lab environment itself can add to error because factors like noise and light can interupt the subject from being in a true state of rest Last the subjects may have errors also such as the state that heshe is in Subjects can be sick nervous stressed etc which can change their metobolic rate Their activity level or food intake may have been exaggerated also These factors should be considered when comparing
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