2,Oxygen Consumption.1

2,Oxygen Consumption.1 - Oxygen Consumption Oxygen...

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Oxygen Consumption Oxygen Consumption: Y: Vo2 (l/min) X: time (min). The graph would increase and then achieve a steady state . This is dependent on the work load. The higher the workload the higher the steady state is. The area within the rectangle that the graph makes it shows the oxygen you would need. The formula is Steady State times #min according to chart . So 20X5 is 10L. However, in this example, the person is consuming less than 10 Liters. They actually consume whatever is under the line of the graph. In order to this one should add the points of the graph this is how much oxygen the person is consuming. (add x,y) so approx the area is 8L. The O2 deficit is the area just outside the curve. The part above the curve that is still within the rectangle . The formula is O2 Req-O2consumed … so 10- 7.9=2.1. Recovery or O2 debt = is when you borrowed something from the beginning and you have to pay it off. The longer the deficit the longer it will take to recover. Bike ergometer: if work load is constant, pedaling would take the same energy. One can assume that the same amount of energy runs at minute 2. At minute 5 one generates the ATP aerobically from 2L of oxygen. At minute one you can generate that energy anaerobic because of the ATP accumulated that one starts with “used right away” one uses the oxygen to make glucose to lactic acid and at the end of exercise one has to go back to resting at requires energy. Rest can be considered equilibrium and exercise might be disequilibrium. At the end of exercise the body attempts to go back to equilibrium and requires oxygen. The main point has to do with the size of deficit. It takes more time to recover. Another graph: Two groups of subjects doing same. One subject is sedentary, one endurance individual, the middle line is the steady state for the sedentary group. VO2 is Measure of energy expenditure. The endurance line would fall under number 2 if they are doing the same amount of work: No difference in steady state: “economy” in the stationary bike is the same in running can be different. Endurance steady state is the very top one: there would be a smaller deficit and would recover faster. One thing: assuming you have exercised before : if one does long exercise, generally, when is the most discomforting? It is at the beginning. Because until one gets to steady state the body doesn’t adjust
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rapidly. Only holds for aerobic exercise. Then in steady state it would be easier. 4 days different workloads : below their max, monitoring their Vo2 1)300kgm/mm (steady state within one minute and no deficit) 2)600(would take longer and lil deficit) 3)900, 4)1200(would take longer and would have a longer deficit). Along these lines: a question: 1 mile: 1)1/4 2)2/4 3)3/4 4)4/4. Based on physiology, which one should be the fastest is between 3 and 2 and the slowest is the first one. Vo2 Max: Best Objective measure of cardio-respiratory fitness. The best
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2,Oxygen Consumption.1 - Oxygen Consumption Oxygen...

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