TARGET HEART RATE ZONE

100%

Serious athletic training range

85%

Cardiovascular

conditioning

range

200

195

190

185

180

175

170

165

160

155

170 166

162

157

153

149

145

140

75%

Fat burning

range

150 146

143

139

135

131

128

124

136

132

120

116

60% 120 117 114 111 108 105

102 99 96 93

20 25 30 35 40 45 50 55 60 65

AGE

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Image 15
Keys Fitness CM708S owner manual Target Heart Rate Zone