Should be OK: We used think that knuckle-cracking is bad and one may develop arthritis..There is no such evidence. As long as you are not having pain or instability in your knee, popping/crackling by itself is likely harmless.....
Answered 4/18/2019
6k views
Cartiage: May have some cartilage damage. Other possibility is the fat pad behind the patellar tendon.
Answered 5/31/2018
4.3k views
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