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.

Arthritis is a common cause of finger swelling. However, other conditions — such as injuries, preeclampsia, and trauma — may also lead to a swollen finger joint. Finger swelling can happen 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 ...

“One morning, I woke up and my finger was stuck in a bent position,” says Risa Pulver, who’s lived with type 1 diabetes for 35 years. “I had to physically unbend it.” This was just a few years ago, ...

April 2, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. I’ve always preferred to wear my Oura ring on my ring finger.