KruegerJ_SPHE314_Week6Assg3

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Dec 6, 2023

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docx

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VO2max Lab Jacob A. Krueger SPHE314 Exercise Physiology Instructor: Dr. Adrienne Herrenbruck 15 April 2023 1
VO2max Lab VO2max Lab Section 1 For this first section, I conducted the Rockport Walk Test on a 1-mile track that is composed of an even surface and has been calibrated and measured for length. I am a male who is 34 years old, and I weigh 198 pounds. At the completion of my walk, my ending heart rate was 121 beats per minute and my walk time was 12:48. I calculated my estimated VO2max by using the following equation: 132.853 – (0.0769 x Weight) – (0.3877 x Age) + (6.315 x Gender) – (3.2649 x Time) – (0.1565 x Heart Rate) = VO2 score. 132.853 – (0.0769 x 198) – (0.3877 x 34) + (6.315 x 1) – (3.2649 x 12.48) – (0.1565 x 121) = VO2 score. 132.853 – (15.2262) – (13.1818) + (6.315) – (40.7459) – (18.9365) = 51.0745 My estimated VO2max is 51.0745 METS. 2
VO2max Lab VO2max Lab Section 2 The Rockport Walk Test is a test that an individual can conduct on their own to calculate their estimated VO2max without the need for medical equipment. It consists of a one mile walk at a brisk pace and upon completion you record the end time and ending heart rate. When you begin to walk, your body will react by increasing its heart rate along with an increased demand for oxygen. As you begin to walk faster along a further distance, your oxygen levels will rise as your respiratory rate increases. As oxygen is absorbed by the lungs, it will be converted into energy in the form of adenosine triphosphate, or ATP. (Jewell, 2023) This energy will be distributed throughout the body and into the cells of the muscle fiber groups that are activated. If an individual wants to increase their cardiorespiratory endurance, they need to have a baseline to where their VO2max is currently. By performing the Rockport Walk Test, you will discover your estimated baseline. VO2max is the maximum rate of oxygen your body can use during exercise and is sometimes referred to as your oxygen uptake. (Jewell, 2023) VO2max is important to understand for athletes because if you increase your VO2max then there is more oxygen available for your body to consume. In return your body will take that increased oxygen and sufficiently produce and distribute more ATP throughout the body. This is important for any athlete as it will significantly enhance their aerobic fitness levels and can help measure progression. VO2max can also be used to determine the health of your lungs and heart. An increase in cardiorespiratory endurance and a higher VO2max are both associated with a lower risk of death. (Jewell, 2023) Gender, age and body composition will all influence an individual’s VO2max. Gender will be influenced because males have a higher oxygen consumption than females. This is why males are given a 1 in the Rockport formula we used on ourselves, and females were given a 0 in 3
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