Understanding Your
Heart Rate Readings
Relax ›
Below 50% of your
maximum heart rate
Warm Up ›
Between 50% to 59.9% of
your maximum heart rate
Fat Burn ›
Between 60% to 69.9% of
your maximum heart rate
Cardio ›
Between 70% to 79.9% of
your maximum heart rate
Intense ›
Between 80% to 89.9% of
your maximum heart rate
Max ›
Greater than 90% of your
maximum heart rate
To find out your maximum heart rate,
the number can be estimated using the
common formula of deducting your current
age from 220. For example, a 30 year-old will
have an estimated maximum heart rate of 190
(220 - 30). For more information on HR zones,
go to www.actxa.com/spur.