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Madmallard
18 hours ago
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Thinking hard burns almost no calories but destroy...
yeah there's no reliable way to measure VO2 max without breathing into tubes.
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ajb
17 hours ago
[–]
There's (vo2master) device that can apparently measure it in one breath; there was a video on some swimmer using it on turnaround without much interference with their exercise. $7k though.
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