Random Question about Knee Joint

[stickgirl390]

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What could cause the knee joint to “lock” (non-permanently) in a 90 degree flexed position, that IS NOT a meniscus tear?

thanks!

 

[watermelon master]

What could cause the knee joint to “lock” (non-permanently) in a 90 degree flexed position, that IS NOT a meniscus tear?

thanks!

osteoarthritis?

 

[Angus Avagadro]

A loose body. Either a torn meniscus fragment or a loose body, consisting of a piece of cartilage with a bone fragment to name a few. Get an MRI and see a doctor.

 

[slowthai]

Loose fragments from OA, RA, trauma, inflammation, etc.

 

[sella.turcica]

What could cause the knee joint to “lock” (non-permanently) in a 90 degree flexed position, that IS NOT a meniscus tear?

thanks!

Did you measure the angle? Reminds me of Conan's Stachenblochen sketch