In some households, cracking your knuckles is a declaration of war. Whether you’re in the camp that can’t stand the sound or the one that can’t see what the fuss is about, you might be surprised to ...

A bit of relief, or maybe just a force of habit: We’re separating fact from fiction about what happens when you crack your knuckles and other joints. * It all has to do with the “synovial fluid” in ...

The loud noise produced when you crack your knuckles is due to the rapid formation of a gas-filled cavity within the synovial fluid that lubricates your joints. When you pull or stretch your fingers, ...