Explain why increasing one's maximum capacity to utilize oxygen (max VO2) decreases one's heart rate for...

Explain why increasing one's maximum capacity to utilize oxygen (max VO2) decreases one's heart rate for any given sub-maximal workload.

Expert Solution

Training results in an increase in the efficiency of oxygen transport within the body .By lowering the resting heart rate (HR) , and the HR at submaximal loads the, heart pumps more blood with every heart beat. This, in addition to other physiological changes, increases the oxygen extraction capability.
More oxygen is required inorder to do metabolic activities for cell.
When an individual is tested before and after training while performing exercise at the same load, a lower HR is shown after training because more blood (thus, oxygen) is delivered in each heart beat.
Such HR differences during exercise can be used to predict aerobic fitness. The % of increase in VO2 max is dependent on many variables and differs considerably from individual to individual, ranging from 5-30%.
In general, individuals who are the least fit see the largest changes and individuals who are highly fit see the smallest changes

Sydney Mullin answered 1 year ago

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