An MRI image of the same hand before knuckle cracking (left) and after (right), showing the void (dark spot) in the joint fluid that forms when the knuckles are cracked. An MRI image of the same hand ...

Snap, crackle, pop! Those sounds are usually associated with crisp rice cereal — but for some people, it describes the noise their joints make, too. To someone cracking their neck, knuckles, or back, ...

What do you get when you combine the "Wayne Gretzky of knuckle cracking" with a magnetic resonance imaging (MRI) machine? The answer to a very old question, it turns out. By using MRI to video-record ...

You’ve heard it before. You’re in a quiet room in among a gathering of people, and then—POP!—a little cracking noise rings out, followed by another, and another, and another. For some, cracking ...

Researchers in France may have finally learned what makes the “popping” noise when one cracks their knuckles. New findings published in Scientific Reports say the popping sound is microscopic gas ...

I have a routine for when I get home from work: Crack each toe, then my ankles, both knees, pelvic bone (a particularly good one), twist-crack my lower back, both shoulders, my wrists, then each and ...

Neil Tuttle does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

If you notice that your knees make cracking or popping sounds when you bend, it can cause a bit of concern. But according to experts, there may not be any reason to worry. Those cracking sounds are ...