Zone % of
Maximum
Heart Rate
Perceived Exertion Benefits
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
VO2 Max. Standard Ratings
These tables include standardized classifications for VO2 max. estimates by age and gender.
Males Percentile 20–29 30–39 40–49 50–59 60–69 70–79
Superior 95 55.4 54 52.5 48.9 45.7 42.1
Excellent 80 51.1 48.3 46.4 43.4 39.5 36.7
Good 60 45.4 44 42.4 39.2 35.5 32.3
Fair 40 41.7 40.5 38.5 35.6 32.3 29.4
Poor 0–40 <41.7 <40.5 <38.5 <35.6 <32.3 <29.4
Females Percentile 20–29 30–39 40–49 50–59 60–69 70–79
Superior 95 49.6 47.4 45.3 41.1 37.8 36.7
Excellent 80 43.9 42.4 39.7 36.7 33 30.9
Good 60 39.5 37.8 36.3 33 30 28.1
Fair 40 36.1 34.4 33 30.1 27.5 25.9
Poor 0–40 <36.1 <34.4 <33 <30.1 <27.5 <25.9
Data reprinted with permission from The Cooper Institute. For more information, go to www.CooperInstitute.org.
Symbol Definitions
These symbols may appear on the device or accessory labels.
WEEE disposal and recycling symbol. The WEEE symbol is
attached to the product in compliance with the EU directive
2012/19/EU on Waste Electrical and Electronic Equipment
(WEEE). It is intended to deter the improper disposal of this
product and to promote reuse and recycling.
8 Appendix