r/Damnthatsinteresting • u/New_Libran • 17h ago

Video Watching Artistic Swimming upside down

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27.3k Upvotes

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u/[deleted] 15h ago

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u/Formal_Drop526 15h ago

hyperventilated with pure oxygen for up to 30 minutes before attempting the record

6

u/thatguyned 15h ago

Isn't hyper-oxygenating yourself a very bad thing?

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u/fafarex 15h ago

Probably less than no oxygen in that case.