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Monitoring Heart Rate
100%
85%
75%
60%
Serious
athletic
training range
Cardiovascular
conditioning
range
Fat burning
range
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AGE
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TARGET HEART RATE ZONE
Monitoring Your Heart Rate
To obtain the greatest cardiovascular benefits from your exercise workout, it is important to
work within your target heart rate zone. The American Heart Association (AHA) defines this
target as 60%-75% percent of your maximum heart rate.
Your maximum heart rate may be roughly calculated by subtracting your age from 220.
Your maximum heart rate and aerobic capacity naturally decreases as you age. This may
vary from one person to another, but use this number to find your approximate effective
target zone. For example, the maximum heart rate for an average 40 year-old is 180 bpm.
The target heart rate zone is 60%-75% of 180 or 108-135 bpm.
See Fitness Safety on opposite page.