The normal heart beat of a neonate is 130, older child 100 and adult 60-101. The acceptable recovery time after an exercise can be calculated after knowing the maximum heart rate after exercise. This is calculated by the formula
HRmax = 220-age
It means if your age is 40 years then your heartbeat should be 180. There are some more reliable formulas. For their details, Visit Heartbeat.
HRmax = 220-age
It means if your age is 40 years then your heartbeat should be 180. There are some more reliable formulas. For their details, Visit Heartbeat.