VO2max: it’s the MAXIMUM OXYGEN CONSUMPTION AT PEAK EXERCISE. We use CPET (cardio-pulmonary exercise testing) to get these values as part of figuring out the cause of dyspnea in humans, amongst other indications. To provide perspective, here are some VO2max values: 2/
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VO2 max for an average untrained human being (Me): 40 ml of oxygen per kg body weight per min (ml/kg/min)pic.twitter.com/byfckCRrKl
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VO2 with years of being athletically active (Mrs. K, picture from the Bronx zoo 5K, circa 2017): 60 ml/kg/minpic.twitter.com/NQfddWesMJ
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VO2 for Bjorn Daehlie (cross country
, won the Nordic World Cup 6 times, image credit: herald review): measured at 96 ml/kg/min! It was recorded out of season too!!!pic.twitter.com/2t5qDSy9Nb
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Highest recorded VO2 in a human being? Norwegian
Oskar Svendsen (was aged 18 at the time, picture credit: Cafe Roubaix): 97.5 ml/kg/minpic.twitter.com/aXG0HoX1uo
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How does the animal kingdom perform? A thoroughbred horse can reach VO2max of 180 ml/kg/min. By the way, this can equal 600 Liters of oxygen per minute! In the picture: Cloud Computing, 2017 Preakness Winner. Picture credit: CBS Baltimorepic.twitter.com/mXBDrbDfvU
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The champions of this VO2max race: Iditarod sled Alaskan huskies/malamutes: clocking in at 240 ml/kg/min!!! 1925: southern seaport of Seward, Alaska became icelocked and villages around Nome, in NW Alaska were facing an incipient diphtheria epidemic! http://bit.ly/2oLNiY4
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Dr. Welch and his team in Nome had an expired batch of diptheria antitoxin. This was pre vaccination era and diptheria was known as the “strangling angel of the children”! A thick pseudo membrane forming in the kids’ throat would kill by suffocation. Pic:isolation card (Sanofi)pic.twitter.com/55S4QhpTpC
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Washington DC responded to repeat telegrams for help, located antitoxin in Anchorage, but with no way of sea transport st Seward, the antitoxin was delivered to Nome along the 674-mile Nenana-to-Nome Trail, a trip that usually took 15 to 20 days!!! Picture: Wikipediapic.twitter.com/4hkwIitNka
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But that time, the feat was accomplished: By 20 mushers (sled
rider)
By 150 sled
In 5 days and 7 hours!
5 children died in that outbreak that was originally poised to wipe out the population of the region.
Lead sled dog Balto + team finished the life saving “race”!!pic.twitter.com/hCtPfjvON3
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Balto was honored with a statue in Central Park, NYC. He has stood on that rock outcropping beaming his endurance, bravery and loyalty since 1925!! Fun fact: the
#realBalto was an honored guest at the unveiling by the sculptor Frederick George Richard Roth! Pic: NYC
NYCpic.twitter.com/F8zwc1Ybkx
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we don’t want the anti-vaxers protesting the race with PETA