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Forerunner 410 Owner’s Manual 33
Using Accessories
high voltage power lines, electric
motors, microwave ovens,
2.4 GHz cordless phones, and
wireless LAN access points.
Heart Rate Zones
notice
Consult your physician to specify
heart rate zones/targets that are
appropriate for your tness level and
health condition.
Many athletes are using heart rate
zones to measure and increase their
cardiovascular strength and improve
their level of tness. A heart rate
zone is a set range of heartbeats per
minute. The ve commonly accepted
heart rate zones are numbered from
1–5 according to increasing intensity.
The device sets the heart rate zone
ranges (see the table on page 41)
based on your maximum and resting
heart rates set in your user prole
(see page 26).
You can also customize your heart
rate zones in your user prole of
Garmin Connect or Garmin Training
Center. After customizing your heart
rate zones, transfer data to your
device.
How Do Heart Rate Zones
Affect Your Fitness Goals?
Knowing your heart rate zones can
help you measure and improve
your tness by understanding and
applying these principles:
• Your heart rate is a good measure
of exercise intensity.
• Training in certain heart rate
zones can help you improve
cardiovascular capacity and
strength.
• Knowing your heart rate
zones can prevent you from
overtraining and decrease your
risk of injury.