A University of Alberta study finally settles the decades-long debate about what happens when you crack your knuckles. The study published on April 15 in PLOS ONE used MRI video to determine what ...

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 ...

Researchers pull fingers and make a discovery. It’s a sound that may make you cringe. Or as the perpetrator, may lead to unsatisfying relief or even hopes of feigned toughness. Either way, it comes ...

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 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 ...

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 ...

For the first time, an MRI video has been taken of cracking knuckles, answering once and for all what makes the audible pop. Michelle Starr is CNET's science editor, and she hopes to get you as ...

Some people like the sound of knuckle-cracking and others loathe it, but for years there has been disagreement among scientists about what actually causes it. Researchers said on Wednesday they have ...

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 ...