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36
Heart Rate Calculations
Your maximum heart rate usually decreases from 220 Beats Per Minute (BPM) in childhood to approximately 160 BPM by
age 60. This fall in heart rate is usually linear, decreasing by approximately one BPM for each year. There is no indication
that training inuences the decrease in maximum heart rate. Individuals of the same age could have dierent maximum
heart rates. It is more accurate to nd this value by getting a stress test than by using an age related formula.
Your at rest heart rate is inuenced by endurance training. The typical adult has an at rest heart rate of approximately 72
BPM, where as highly trained runners may have readings of 40 BPM or lower.
The Heart Rate table is an estimate of what Heart Rate Zone (HRZ) is eective to burn fat and improve your cardiovas-
cular system. Physical conditions vary, therefore your individual HRZ could be several beats higher or lower than what is
shown.
The most ecient procedure to burn fat during exercise is to start at a slow pace and gradually increase your intensity un-
til your heart rate reaches between 60 – 85% of your maximum heart rate. Continue at that pace, keeping your heart rate
in that target zone for over 20 minutes. The longer you maintain your target heart rate, the more fat your body will burn.
Fat-Burning Target Heart Rate
20-24
FAT-BURNING TARGET HEART RATE
Heart Rate BPM (beats per minute)
Age
25-29
0
50
100
150
200
250
30-34 35-39 40-44 45-49 50-54 55-59 60-64 65-69 70+
196
191
186
181
176
171
166
161
156
151
146
167
162
158
154
150
145
141
137
133
128
126
Maximum Heart Rate
Target Heart Rate Zone
(keep within this range
for optimum fat-burning)
118
115
112
109
106
103
100
97
94
91
88
The graph is a brief guideline, describing the generally suggested target heart rates based on age. As noted above, your
optimal target rate may be higher or lower. Consult your physician for your individual target heart rate zone.
Note: As with all exercises and fitness regimens, always use your best judgment when you increase your exercise
time or intensity.
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