Fitness
By admin • Aug 10th, 2009 • Category: BodyThere are three kinds of fitness:
Aerobic fitness – the heart and lungs
Resistance fitness – muscular strenght
Flexible fitness – flexibility
Aerobic Fitness
Aerobic fitness refers to how high your heartrate goes when you exercise, and how long it takes to return to normal afterwards.
Take your pulse for twenty seconds and then multiply it by 3 to get [...]