1. Cardiovascular Fitness
This can be calculated by the simple equation 220-AGE, someone that is 15 would have a maximum heart rate of 205, for an example. ... The equation is: %intensity/100 * (Maximum HR - Resting HR) + Resting HR. ... To improve the cardiovascular system, 1:2 ratio would be used, meaning you would do the activity hard for a minute, then slow for two minutes for example. ...
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