Polar M400 Heart Rate Monitor User Manual


 
49
Target zone Intensity % of HR
max
HR
max
= Maximum
heart rate (220-age).
Example: Heart rate
zones (in beats per
minute) for a 30-
years-old person,
whose maximum
heart rate is 190
bpm (220–30).
Example durations Training effect
ing.
Recommended
for: Experienced
athletes for year-
round training, and
for various dur-
ations. Becomes
more important dur-
ing pre com-
petition season.
MODERATE 70–80% 133–152 bpm 10–40 minutes Benefits:
Enhances general
training pace,
makes moderate
intensity efforts
easier and
improves effi-
ciency.
Feels like: Steady,
controlled, fast
breathing.
Recommended
for: Athletes train-
ing for events, or
looking for per-
formance gains.
LIGHT 60–70% 114-133 bpm 40–80 minutes Benefits:
Improves general
base fitness,
improves recovery
and boosts meta-
bolism.
Feels like: Com-
fortable and easy,
low muscle and