A lump on the finger knuckle joint can happen for many reasons, ranging from an inflammatory condition to an infection. In rare cases, a bump or lump on the finger knuckle joint can be due to a tumor.

"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.

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 ...

Many of us will remember mum and dad saying that cracking your knuckles will break your fingers. Now scientists have joined in this age-old debate with research they dubbed the "pull my finger study".

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 ...

I’m an advanced knuckle-cracker. Starting with the fingers, sometime around fifth grade, I’ve risen to expert ankle cracker and supreme cracker of the toes. There’s nothing like a 10-toe crack in the ...

Pain in your knuckles can include stiffness, swelling, or aching, depending on the cause. Common causes can include arthritis, injury, and tenonitis, among others. Knuckle pain can occur in any or all ...

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 ...