HK 368 Lab 6-Olivia Keesling

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Purdue University *

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368

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Statistics

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Apr 3, 2024

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Uploaded by ElderComputerNarwhal43

Olivia Keesling 10/19/23 Results/Discussion Graph 1: This graph displays the relationship between the absolute VO2 in L/min and the HR in BPM for subject 1. Graph 2: This graph displays the relationship between the absolute VO2 in L/min and the HR in BPM for subject 2. The values on graphs 1 and 2 indicate a positive linear relationship between the VO2 in L/min and the HR in bpm. The R-values of 0.954 and 0.987 for Subjects 1 and 2 define that the two values are highly correlated. Both test subjects were around the age of 20. This means that their 0 50 100 150 200 0 0.5 1 1.5 2 2.5 3 HR (bpm) VO2 (L/min) VO2 (L/min) vs HR (bpm)-Subject 1 Subject 1: R=0.954 0 50 100 150 200 0 0.5 1 1.5 2 2.5 3 HR (bpm) VO2 (L/min) VO2 (L/min) vs HR (bpm)-Subject 2 Subject 2: R=0.987

Olivia Keesling 10/19/23 max HR should be about 200 BPM. The percent error for subject 1 ’ s max HR was 13.5% and the percent error for subject 2 was 7.5%. These small values indicate that the tests were ran pretty accurately. Graph 3: This graph displays the relationship between the Workload in W and the RER in VCO2/VO2 for subject 1. 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 50 100 150 200 250 RER (VCO2/VO2) Workload (W) Workload (W) vs RER (VCO2/VO2)-Subject 1 0 0.2 0.4 0.6 0.8 1 1.2 0 50 100 150 200 250 RER (VCO2/VO2) Workload (W) Workload (W) vs RER (VCO2/VO2)-Subject 2

Olivia Keesling 10/19/23 Graph 4: This graph displays the relationship between the Workload in W and the RER in VCO2/VO2 for subject 2. Both Graphs 3 and 4 indicate a positive linear relationship between Workload and RER. This indicates as the workload increases for the test subjects, the RER or the Respiratory Exchange Ratio also increases. This indicates that as the body is doing more work, the lungs will produce more CO2 than the O2 which is being taken in Graph 5: This graph displays the relationship between the Workload in W and both the VO2 and VE in L/min for subject 1. 0 20 40 60 80 100 120 140 0 50 100 150 200 250 VO2 and VE (L/min) Workload (W) Absolute VO2 (L/min) and VE (L/min) vs workload (W)-Subject 1 VO2 (L/min) VE (L/min)

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Olivia Keesling 10/19/23 Graph 6: This graph displays the relationship between the Workload in W and both the VO2 and VE in L/min for subject 2. Both Graphs 5 and 6 indicate a positive relationship between workload and both VO2 and VE. Although VE increases in an exponential trend and VO2 increases in a more gradual, linear trend. This trend of values was expected. The VE or Ventilation likely increased exponentially because the body had to adjust to the extra demands put on it, requiring extra ventilation than a steady rate of exercise. On the other hand, the VO2 increased more gradually, because there is less of a range of values which VO2 can be. This makes it appear that the VO2 was an extremely small increase on this graph. 0 20 40 60 80 100 0 50 100 150 200 250 VO2 and VE (L/min) Workload (W) Absolute VO2 (L/min) and VE (L/min) vs workload (W)-Subject 2 VO2 (L/min) VE (L/min)

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