17
Monitoring Your Heart Rate
100%
85%
75%
60%
Serious
athletic
training range
Cardiovascular
conditioning
range
Fat burning
range
20 25 30 35 40 45 50 55 60 65
AGE
200
195
190
185
180
175
170
165
160
155
170
166
162
157
153
149
145
140
136
132
150
146
143
139
135
131
128
124
120
116
120
117
114
111
108
105
102
99
96
93
TARGET HEART RATE ZONE
