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Age / Years Very low
35-39
< 24
40-44
< 22
45-49
< 21
50-54
< 19
55-59
< 18
60-65
< 16
The classification is based on a literature review of 62 studies where VO
subjects in the USA, Canada and 7 European countries. Reference: Shvartz E, Reibold RC. Aerobic fitness norms for
males and females aged 6 to 75 years: a review. Aviat Space Environ Med; 61:3-11, 1990.
VO
2MAX
A clear link exists between maximal oxygen consumption (VO2
oxygen delivery to tissues is dependent on lung and heart function. VO2
aerobic power) is the maximal rate at which oxygen can be used by the body during maximal exercise; it is related
directly to the maximal capacity of the heart to deliver blood to the muscles. VO2
fitness tests (e.g. maximal exercise tests, submaximal exercise tests, Polar Fitness Test). VO2
cardiorespiratory fitness and a good predictor of performance capability in endurance events such as distance
running, cycling, cross-country skiing, and swimming.
can be expressed either as milliliters per minute (ml/min = ml ■ min-1) or this value can be divided by the
VO2
max
person's body weight in kilograms (ml/kg/min = ml ■ kg-1■ min-1).
TRAINING LOAD PRO™
The Training Load Pro™ feature measures how your training sessions strain your body and helps to understand how it
impacts your performance. The Training Load Pro gives you a training load level for your cardiovascular system
Cardio load, and with Perceived load you can rate how strained you feel. When you know how strained each body
system is, you can optimize your training by working the right system at the right time.
Cardio load
Cardio load is based on training impulse calculation (TRIMP), a commonly accepted and scientifically proven method to
quantify training load. Your Cardio load value tells you how much strain your training session put on your
cardiovascular system. The higher the Cardio load, the more strenuous the training session was for the cardiovascular
system. Cardio load is calculated after every workout from your heart rate data and session duration.
Perceived load
Your subjective feeling is one useful method of estimating training load for all sports. The Perceived load is a value
that takes into account your own subjective experience of how demanding your training session was and the duration
of your session. It's is quantified with Rate of Perceived Exertion (RPE), a scientifically accepted method to quantify
Low
Fair
24-27
28-31
22-25
26-29
21-23
24-27
19-22
23-25
18-20
21-23
16-18
19-21
Moderate
Good
32-35
36-40
30-33
34-37
28-31
32-35
26-29
30-32
24-27
28-30
22-24
25-27
was measured directly in healthy adult
2max
) of the body and cardiorespiratory fitness because
max
(maximal oxygen uptake, maximal
max
max
63
Very good
Elite
41-44
38-41
36-38
33-36
31-33
28-30
can be measured or predicted by
is a good index of
max
> 44
> 41
> 38
> 36
> 33
> 30
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