"It's been a long time since the greatest cross-country skier in the world went out to dinner. Johannes Høsflot Klaebo, the 29-year-old Norwegian, eats at home in the months before his biggest events. Not just to control the exact ingredients entering his body - but specifically to avoid sickness from strangers. Can you blame him? Klaebo longs to return to " ordinary things " in retirement. But for now, his golden lungs are his lifeblood."
"For a refresher, VO2 max is "the maximum amount of oxygen your body can use during intense exercise." It has really strong ties to performance, of course, and more recently has been linked to life expectancy. Exercise scientists are able to coax out the metric via 10 to 20-minute tests on a treadmill (or stationary bike!), with help from a heart rate monitor and the aforementioned oxygen mask."
Johannes Høsflot Klaebo limits public dining before major competitions to reduce infection risk and protect exceptional lung function. Elite cross-country skiers exhibit extraordinarily high VO2 max values, reflecting superior oxygen uptake, delivery, and muscular use during intense exercise. VO2 max is measured in ml/kg/min through 10–20-minute treadmill or bike tests using an oxygen mask and heart-rate monitor. Higher VO2 max numbers correlate with better cardiovascular efficiency and muscular oxygen utilization, and historically recorded values around 92 ml/kg/min or higher place skiers at the top of aerobic-capacity measurements.
Read at InsideHook
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