1. The integration of cardiovascular and respiratory function

2. Oxygen Consumption (VO2) The amount of o2 taken up and consumed by the body for metabolic processes. Equal to amount of inspired air minus amount of expired air VO2 is proportional to workload Measured by a metabolic cart in a lab environment

3. ..cont. The maximal rate of oxygen consumption would occur at max HR, SV and a-vo2 diff. VO2 max is the maximal amount of O2 that can be taken in and used for the metabolic production of ATP during exercise

4. Limiting factors to VO2 The respiratory system:inadequate ventilation and oxygen diffusion limitations The cardiovascular system: inadequate blood flow; inadequate oxygen-carrying capacity (Q likely the biggest limiting factor) Energy systems: lack of mitochondria

5. Lactate Threshold As workload increases, the body relies more on the anaerobic system, resulting in accumulated blood lactate.

6. Oxygen Deficit and EPOC

7. Oxygen deficit: the difference between the O2 required to perform a task and the O2 consumed before reaching steady state (sub-maximal) Trained individuals reach this state earlier than non-trained individuals.

8. EPOC Excess post-exercise oxygen consumption:The extra oxygen required to replenish oxygen to the various systems that were taxed during the exercise. Eg: refilling phosphocreatine reserves, replenishing O2 in blood and tissues, lowering breathing rate, lowering body temp. and increasing blood lactate removal. Active recovery can aid in the removal of blood lactate.

9. Physiological Adaptations Due to Endurance Training

10. Oxygen consumption The amount of O 2 taken up and consumed by the body for metabolic process is called oxygen consumption (VO 2 )

11. Oxygen dissociation curve