Physiology of Exercise

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What is the response of the myocardial function to sympathetic activation and elevated heart rate during acute physical exercise?

Enhanced via positive inotropy and lusitropy, raising cardiac output

What happens to peripheral vascular resistance during acute physical exercise?

It drops, but not enough to offset a rise in systolic BP beyond resting levels

What is the pattern of change in systolic BP during incremental exercise?

It increases in a curvilinear fashion, plateauing towards peak/maximal effort

What is the effect of incremental exercise on diastolic BP?

<p>It may marginally drop or remain effectively unchanged</p> Signup and view all the answers

What were the findings of Daida et al. regarding the relationship between sex and age on the BP response to graded exercise testing?

<p>Systolic BP, diastolic BP, and respective change values from rest were higher in men compared with women, and increased with age in both sexes</p> Signup and view all the answers

What is the purpose of determining sex- and age-specific reference values for the systolic and diastolic BP responses to graded exercise testing?

<p>To provide a normative reference for clinicians interpreting exercise stress tests</p> Signup and view all the answers

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