Your mother has always bashed you for cracking your knuckles because it supposedly weakens the joints in the long term. When I first did it, it appeared like I had broken my finger, but then gradually it became fun and I enjoy it from time to time especially when I am stressed or yawning.
But where does the cracking noise come from? Let us settle this debate once in for all with this video:
Although it feels great at times, cracking knuckles isn’t advised in front of other people. It is mostly taken as a sign of nervousness that has to do a lot with the psychological side of things that aren’t discussed here. So we won’t go on to say that crack all you want, but keep it discrete!