SISU IRON: Review and teaser.

Picking Your Truths

February 24, 2016 Comments (2) blog, homepage display, kalli

STSS 4: VO2 Max


“If I breathe deeper and faster, I’m using more oxygen, right?”



2 Responses to STSS 4: VO2 Max

  1. Over the years, I kind of knew what it was, but now it’s crystal clear. Thanks!

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