Nautilus E624 User Manual

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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inuencesthedecreaseinmaximumheartrate.Individualsofthesameagecouldhavedifferentmaximum

heartrates.Itismoreaccuratetondthisvaluebycompletingastresstestthanbyusinganagerelatedformula.

Yourat-restheartrateisinuencedbyendurancetraining.Thetypicaladulthasanatrestheartrateofapproximately72

BPM, whereas 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effective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efcientproceduretoburnfatduringexerciseistostartataslowpaceandgraduallyincreaseyourintensity

until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.

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tnessregimens,alwaysuseyourbestjudgmentwhenyouincreaseyourexercisetime

or intensity.

20-24

FAT-BURNING TARGET HEART RATE

Heart Rate BPM (beats per minute)

Age

25-29

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)

11 8

11 5

11 2

109

106

103

100

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