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Vo2 Max

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Sports Fitness
Vo2 max
Sports Fitness
Vo2 max
Session 3 Objectives
Objectives:
п‚—To define and discuss how Maximal Oxygen Uptake influences
physical performance.
п‚—To learn why high Vo2 Max level is an excellent indicator of
good health.
п‚—To learn how to read and utilize the norm charts for Vo2 max scoring.
п‚—To learn how to read and utilize the Bruce Protocol Formula for
Estimating VO2 Max.
SOLs: 11/12.1, 11/12.2, 11/12.3, 11/12.4, 11/12.5
Vo2 max
•Fitness can be measured by the volume of
oxygen you can consume while exercising at
your maximum capacity.
•Vo2 max also can be estimated. There are
a variety of protocols used to estimate VO2
max, one is called the Bruce Treadmill Test,
but none are as accurate as direct testing.
•The Bruce Protocol is a maximal
exercise test where the athlete works to
complete exhaustion as the treadmill
speed and incline is increased every
three minutes
Vo2 max
Stage 1 = 1.7 mph at 10% Grade
Stage 2 = 2.5 mph at 12% Grade
Stage 3 = 3.4 mph at 14% Grade
Stage 4 = 4.2 mph at 16% Grade
Stage 5 = 5.0 mph at 18% Grade
Stage 6 = 5.5 mph at 20% Grade
Stage 7 = 6.0 mph at 22% Grade
Stage 8 = 6.5 mph at 24% Grade
Stage 9 = 7.0 mph at 26% Grade
The Bruce Protocol Formula for Estimating VO2 Max
For Men VO2 max = 14.8 - (1.379 x T) + (0.451 x TВІ) - (0.012 x TВі)
For Women VO2 max = 4.38 x T - 3.9
T = Total time on the treadmill measured as a fraction of a minute (ie: A test time
of 9 minutes 30 seconds would be written as T=9.5).
Vo2 max
VO2 Max Norms for Men - Measured in ml/kg/min
Age
Very Poor
Poor
Fair
Good
Excellent
Superior
13-19
<35.0
35.0-38.3
38.4-45.1
45.2-50.9
51.0-55.9
>55.9
20-29
<33.0
33.0-36.4
36.5-42.4
42.5-46.4
46.5-52.4
>52.4
30-39
<31.5
31.5-35.4
35.5-40.9
41.0-44.9
45.0-49.4
>49.4
40-49
<30.2
30.2-33.5
33.6-38.9
39.0-43.7
43.8-48.0
>48.0
50-59
<26.1
26.1-30.9
31.0-35.7
35.8-40.9
41.0-45.3
>45.3
60+
<20.5
20.5-26.0
26.1-32.2
32.3-36.4
36.5-44.2
>44.2
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