Exercise and CVD

Protective Effects of Exercise ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How does the CVS respond to exercise? ,[object Object],[object Object],[object Object],[object Object]

Increasing Cardiac Output ,[object Object],[object Object],[object Object],[object Object]

Redistribution of Blood ,[object Object],[object Object],[object Object]

The brain requires a constant supply of glucose and oxygen. It could not survive for long with a smaller blood supply. Therefore during exercise its blood supply must be maintained The abdominal organs can survive with a smaller blood supply during exercise As muscles work harder during exercise heat is produced. Increasing blood flow to the skin means that this heat can be lost to the air thus cooling the body down

The ‘Athletic Heart’ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Principles of Exercise Testing ,[object Object],[object Object],[object Object],[object Object],Measures the MAXIMUM RATE at which the body is able to take up and use OXYGEN [V O2 max] The greater the V O2 max the fitter the individual A less extreme form of testing to predict V O2 max Relies on two assumptions: 1) that there is a linear correlation between V O2 max, heart rate and intensity of exercise, and 2) individual's maximum heart rate = 220 - age Individual's pulse rate and oxygen uptake are measured at various levels of activity. These results are used to construct a graph of pulse rate against oxygen uptake. A straight line is drawn through the points on the graph and extrapolated to the maximum heart rate to predict V O2 max

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Summary of a few of the many benefits of Exercise …! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],… SO GET MOVING !

WARNING !!! ,[object Object],[object Object],[object Object]

Exercise and CVD

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Exercise and CVD