Kin 310 – Week 3
Ventilation and Cardiovascular Dynamics
Study Questions
Brooks - Ch 13 and 16
1. Draw graphs representing the principal cardiovascular responses to
increasing work rates (VO2, Q, HR, SV, (A-V)O2, BP). Include units and
approximate values for a trained adult.
2. When comparing rest and maximal exercise we observe a rise in PAO2 and
a change in the ventilation perfusion and ventilatory equivalent ratios. Describe
these three concepts in more detail, and explain how each of them illustrates that
ventilation is not limiting VO2 max at sea level in healthy subjects?
3. Describe the effects of training on the cardiovascular parameters Q, HR,
SV, A-V O2 difference and VO2. Describe the changes for both rest and maximal
activity including units and approximate values for an average adult.
4. What factors are thought to be limiting maximal oxygen consumption?
Which of these factors change with training? How?
5. Describe the changes in blood flow that occur from rest to maximal activity.
Describe in detail the physiological control responsible for these changes.
6. Explain cardiovascular triage, support your understanding by describing one
piece of research evidence.
7. Summarize the Myocardial Protection theory of Noakes. What are some of
the strongest points of evidence in support of his theory? What types of
adaptation to training would improve performance according to his theory?