Polar Electro M450 User Manual page 59

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Target zone
LIGHT
Intensity % of HR
max
HR
= Maximum
max
heart rate (220-age).
60–70%
Example: Heart
Example dur-
rate zones (in
ations
beats per
minute) for a 30-
years-old person,
whose maximum
heart rate is 190
bpm (220–30).
114-133 bpm
59
Training effect
general
training pace,
makes
moderate
intensity
efforts easier
and
improves
efficiency.
Feels like:
Steady,
controlled,
fast
breathing.
Recommend
ed for:
Athletes
training for
events, or
looking for
performance
gains.
40–80 minutes
Benefits:
Improves
general base
fitness,
improves

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