User's Manual

TOC
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Appendix
Heart Rate Zone Calculations
Zone % of Max Heart Rate Perceived Exertion Benefits
1 50 ~ 60%
Relaxed, easy pace, rhythmic
breathing
Beginning-level aerobic
training, reduces stress
2 60 ~ 70%
Comfortable pace, slightly
deeper breathing, conversation
possible
Basic cardiovascular training,
good recovery pace
3 70 ~ 80%
Moderate pace, more difficult
to hold conversation
Improved aerobic capacity,
optimal cardiovascular training
4 80 ~ 90%
Fast pace and a bit
uncomfortable, breathing
forceful
Improved anaerobic capacity
and threshold, improved speed
5 90 ~ 100%
Sprinting pace, unsustainable
for long period of time, labored
breathing
Anaerobic and muscular
endurance, increased power