Schwinn 130 Assembly Manual / Owner's Manual page 21

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Heart Rate Calculations
BPM, whereas highly trained runners may have readings of 40 BPM or lower.
cular system. Physical conditions vary, therefore your individual HRZ could be several beats higher or lower than what is
shown.
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.
or intensity.
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