Answer:
There are following ways to determine fitness level by utilizing the Heart rate recovery.
Resting Heart Rate
This is how fast your heart beats while in a complete state of rest, which is best monitored first thing in the morning, while lying horizontally.
Delta Heart Rate
This is the difference between your heart rate while resting and standing. So measure your delta heart rate while standing and subtract that number from your resting heart rate.
Heart Rate During Aerobic Activities
Track your heart rate during your favorite activities, such as walking, power walking, jogging, running and cycling.
