Garmin GPSMAP 66 Owners Manual - Page 25
Heart Rate Zone Calculations
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Heart Rate Zone Calculations Zone % of Maximum 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 Improved anaerobic uncomfortable, breathing capacity and forceful threshold, improved speed 5 90-100% Sprinting pace, unsustainable for long period of time, labored breathing Anaerobic and muscular endurance, increased power Appendix 21
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Heart Rate Zone Calculations
Zone
% of
Maximum
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
Appendix
21