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 ...

Do you crack your knuckles? For decades, warnings about possible harm have caused concern about the habit — here is what the ...

Ultrasound study shows that gas bubbles forming in joints create the distinctive sound of knuckle cracking UC Davis Health System research presented Tuesday at the annual meeting of the Radiological ...

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, ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

When someone stretches or bends their knuckle to crack it, they increase the space between the bones, which creates a drop in ...

QUESTION:For an "A" in anatomy, what's behind the cracking sounds in knuckles? ANSWER: Pull on a finger with enough force and the knuckle cavity (space between bones) widens, reducing the pressure on ...

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 ...