PT Inquest Episode 72: How To Tear An ACL

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Sure, we know that ACLs get torn and the vast majority of those mechanisms are non-contact. So what EXACTLY happens in those knees? We have some plausible ideas like dynamic valgus, but how does that tear the ACL without any injury to the MCL? How would we answer such a question? Will JW survive the current heatwave in Minnesota?

Preferential loading of the ACL compared with the MCL during landing: a novel in sim approach yields the multiplanar mechanism of dynamic valgus during ACL injuries.
Quatman CE, Kiapour AM, Demetropoulos CK, Kiapour A, Wordeman SC, Levine JW, Goel VK, Hewett TE.
Am J Sports Med. 2014 Jan;42(1):177-86. doi: 10.1177/0363546513506558. Epub 2013 Oct 11.

Do to copyright laws, unless the article is open source we cannot legally post the PDF on the website for the world to download at will. That said, if you are having difficulty obtaining an article, contact us.

Music for PT Inquest:
“The Science of Selling Yourself Short” by Less Than Jake
Used by Permission

Photo credit: “WBB Athlete of the Week – Jan. 31-Feb. 6, 2011” by Big West Conference via Flickr. Cropped by Erik Meira.

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