Derek Thompson+ Your Authors @DKThomp Writer at @TheAtlantic. Host of podcast CRAZY/GENIUS. Author of book HIT MAKERS. Talker on NPR's @hereandnow and @CBSNews. derek[at]theatlantic[dot]com May. 20, 2020 1 min read + Your Authors

Korea CDC study on a fitness dance class outbreak
 https://wwwnc.cdc.gov/eid/article/26/8/20-0633_article 

Large classes + small spaces + intensity = bad news

"The moist, warm atmosphere coupled with turbulent air flow generated by intense physical exercise can cause more dense transmission of droplets."

"Of note, instructor C taught Pilates and yoga for classes of 7–8 students in the same facility ... but none of her students tested positive. We hypothesize that the lower intensity of Pilates/yoga did not cause the same transmission effects as the more intense fitness classes."

Bad news for SoulCyle.
Good news for Peleton.
Meh news for yoga classes.

"Because of the increased possibility of infection through droplets, vigorous exercise in closely confined spaces should be avoided during the current outbreak."

Full study:  https://wwwnc.cdc.gov/eid/article/26/8/20-0633_article#tnF1 

Necessary caveat that I wish I could append to all of these research summaries: This seems really bad for workout classes, but we should avoid drawing over-confident conclusions from single studies.


You can follow @DKThomp.



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