The cracking sound is caused by nitrogen bubbles, not by cartilage breaking. Cra... | Hacker News

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		s_y_n_t_a_x on Oct 10, 2019 \| parent \| context \| favorite \| on: Humans have salamander-like ability to regrow cart... The cracking sound is caused by nitrogen bubbles, not by cartilage breaking. Cracking your knuckles is safe as far as we know, if anything it probably helps because you're stretching your ligaments.

mikelyons on Oct 10, 2019 [–]

Doc told me your tendons can end up taking up the slack, which can cause other issues

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