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 ...

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 ...

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 ...

Your knuckle-cracking habit might be an annoyance to those around you, but popping the joints in your fingers will not harm your health. The widespread notion that cracking your knuckles causes ...

"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.

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 ...

You might expect that a simple phenomenon like joint-cracking would be well understood. But there isn't actually a consensus as to why knuckles and backs and the like pop when bent in a certain way or ...

Is it true that cracking your knuckles can lead to arthritis? Knuckle cracking, which stretches the finger joints, is common. People may do it for various reasons — to relieve stress or tension, or ...