Operation Manual

38
Crossover
cont.
Monitoring the heart rate
The following table shows the optimum heart rate levels in relation to age and the goal to be achieved. Theoretical maximum
heart rate (100%) is calculated on the basis of age using the formula: 220 - age.
Heart rate per minute
Age
Area reserved for competitive athlete’s workouts (requiring a doctor’s certificate)
Aerobic zone with a primarily cardio-circulatory component (keep heart rate between 70% and 90%)
Aerobic zone primarily using fats as energy source (keep heart rate between 60% and 70%)
Zone of little training interest