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CO2 Tolerance
Extended exhale to build carbon dioxide tolerance. The metric that matters.
ready
1:20 · 5 rounds
round 1 of 5
Inhale · 4sExhale slowly · 8sHold empty · 4s
CO2 Tolerance · 1:20
Extended exhale to build carbon dioxide tolerance. The metric that matters.
ready
1:20 · 5 rounds
CO2 Tolerance · 1:20