Enhanced Ability

There 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 [...]

The best way to know that you are exercising fat burning and metabolism boosting intensity is to measure your pulse while you exercise. If it is within your training heart rate zone for 15 minutes or more then your exercise is having a fat burning effect.
To find your training heart rate zone, you need to [...]