HealthTrainer Health Trainer CLASSIC Treadmill HT-CLASSIC Owner's Manual page 17

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