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A 45-year-old member asked:

Why is my left knee cap making these popping sounds?

1 doctor answer3 doctors weighed in
Dr. Christopher Hajnik
Orthopedic Reconstructive Surgery 19 years experience
Hard to say: Many joints make noise, and without accompanying pain, it is unlikely to be a cause for concern. Sometimes is may be an indication that there is malalignment or cartilage damage, but generally there is no relationship between the amount of painless popping and internal damage.
Last updated Oct 22, 2018

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