Your knuckles are strong bones in your hand that give your fingers the ability to move. But they’re also capable of being broken or bruised. In milder cases, a bruised knuckle can take days to heal.

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 ...

A broken knuckle can cause swelling and pain, among other symptoms. Treatment may involve immobilization, such as with tape or a splint, and cold therapy. In rare cases, it may require surgery. The ...

A broken knuckle occurs when there is a break, or fracture in the long bones of the palm, which doctors call the metacarpals. Five metacarpals are present in the palm. A break in the “neck,” or the ...

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 ...