Yo-Yo Test Formula

These are the formula used for the yo-yo test calculators.

Yo-Yo Intermittent Recovery Test Level 1 (YYIR1)

You can use the YYIR1 calculator to work out the VO2max, or use this conversion chart, based on the same formula (Bangsbo et al. 2008), which is:

VO2max (ml/min/kg) = distance run (m) × 0.0084 + 36.4

Yo-Yo Intermittent Recovery Test Level 2 (YYIR2)

You can use the YYIR2 calculator to work out the VO2max, or use this conversion chart, based on the same formula (Bangsbo et al. 2008), which is:

VO2max (ml/min/kg) = distance run × 0.0136 + 45.3

 

Reference: Jens Bangsbo, F. Marcello Iaia and Peter Krustrup, (2008) The Yo-Yo Intermittent Recovery Test: A Useful Tool for Evaluation of Physical Performance in Intermittent Sports, Sports Medicine 2008; 38 (1): 37-51.

 

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