Knuckles crack when a bubble forms in a joint, new high-speed images reveal. The finding, reported April 15 in PLOS ONE, may settle a decades-old debate about the source of the sound. In 1947, two ...

Whether it’s one or all of your knuckles, you may wonder what causes the cracking sound. Although interesting, “cracking joints” and “popping knuckles” are not fully understood. In fact, cracking ...

There’s something oddly satisfying about cracking your knuckles. That quick pop can feel like releasing pressure after a long day, but somewhere along the line, it got a bad reputation. You’ve ...

The popping sound habitual knuckle crackers make may be annoying — or even alarming — but are they actually harming themselves? The research is somewhat limited but generally concludes that ...

"Pull my finger," a phrase embraced by school-aged kids and embarrassing uncles the world over, is now being used to settle a decades-long debate about what happens when you crack your knuckles.

Hearing “snap, crackle, pop!” with no visible sign of the Rice Krispie trio can only mean one thing: snapping joints—likely knuckle cracking, to be more specific. Whether or not the sensation happens ...

The wince-inducing sound of knuckles cracking is caused by a small bubble building up in the fluid of the fingers then ‘popping ‘, scientists believe, and it could even be beneficial to health. For ...

Whether you love it or hate it, cracking knuckles is a common habit we've likely all done at some point. It's one of life's simple pleasures for some people, who crave the satisfying "pop" and ...

Scientists think they may have solved an old question about the cracking of knuckles: Why does it make that sound? The crack apparently comes from a bubble forming in the fluid within the joint when ...

From fingers and toes to necks and knees, everyone knows a “cracker.” Up to 45% of people do it. And most habitual joint poppers have heard rumors their habit may cause arthritis. But are those rumors ...