Mechanical symptoms: The most common causes are meniscal problems, arthritis(degenerative) or patellofemoral pain. You should see a physician if these symptoms persist.
Answered 6/29/2013
5.3k views
Meniscus tear: The most common reason for locking is a torn meniscus cartilage. Get a good exam and an MRI is the definitive imagining study to show this after an X-ray is done.
Answered 6/9/2017
665 views
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