Nearly all of us have experienced our joints ‘pop’ at some point in our lives. Whether it was from cracking our knuckles, getting adjusted by a chiropractor, or the inadvertent sound that sometimes ...

For some people, it is a way to focus, while for others, it is simply a nervous reflex that feels right. Yet it is also one of those habits that quickly draws stares and warnings from friends or ...

Your joints actually crack as a result of gas. A gas-filled cavity - known as tribonucleation - forms in the synovial fluid ...

A machine designed to 'crack' the metacarpophalangeal joints of human subjects, used in the 1970s study. Michael Huckabee is professor and director of the physician assistant program at UNMC. He's ...

REUTERS - Some people like the sound of knuckle-cracking and others loathe it, but for years there has been disagreement among scientists about what actually causes it. Researchers said on Wednesday ...

Joints often crack due to harmless gas bubbles in fluid or tendons moving over bones. While usually normal, persistent pain, ...

The reason why knuckles pop or crack when stretched is largely a mystery, but a recent study claims it's because of popping fluid bubbles. When these bubbles collapse or even partially collapse in a ...

Good morning. I'm Noel King with the answer to a mystery that has puzzled scientists and kids for years. When we crack our knuckles, why do they make that popping sound? A grad student in France, ...

In a study published Wednesday by the scientific journal PLOS ONE, the researchers used MRI video to determine what triggers the joints in the finger to cause the distinct sound. They observed that ...