Dear Colleagues,
I have done 20m Shuttle run test on 10 years old adolescents. In the following site:
http://www.topendsports.com/testing/beepcalc.htm
by entering age: 10 years old, stage: 5 and shuttle: 9 in the empty boxes, Vo2max automatically is calculated 32.9 ml/kg/min.
But when we calculate by the following formula:
VO2 max = 31.025 + (3.238 × velocity) - (3.248 × age ) + (0.1536 × age × velocity)
Ahmaidi et al. (1992)
velocity in the stage 5 and shuttle 9 is 10km/h
age:10 years old
VO2max will be: 48.28
Why is there the difference between two VO2max amounts?
Hello Farzad,
You should look up these two references if you haven't done it already.
Léger, L.A. and J. Lambert. A maximal multistage 20-m shuttle run test to predictVO2max. Eur. J. Appl. Physiol. 49:1-12, 1982.
Matsusaka A et al Validity of the multistage 20-m shuttle-run test for Japanese children adolescents and adults Pediat Exerc Sci 16 2 113-125 2004
hello Farzad, the point about weight is important - however the topend site is using average tables designed for ages > 17. so your comparison with the formula is invalid for this reason. You are comparing a 17 yr old score with a formula using the correct age.
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