Why do our joints crack, pop and crunch? Should we worry about it?

Many of us have noisy joints. Knees crack on the stairs, necks pop when we stretch, and knuckles seem to crack almost on ...
Smithsonian Magazine

What Causes the Cringe-Inducing Sound of Knuckle Cracking?

It’s one of the most annoying habits, but it's also pretty mysterious. What actually causes the sound of cracking knuckles? Researchers long believed the sound was caused by the collapse of bubbles ...
IFLScience

What Is That Horrible Sound When You Crack Your Knuckles?

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 ...
Gizmodo

We Still Don’t Know What Causes That Knuckle Cracking Sound

Snap, crackle, pop: the sound of cracking knuckles is familiar to everyone, but scientists are having a hell of a time figuring out what causes it. A new ultrasound imaging study offers additional ...

Is cracking your neck bad? And why can it feel so good to crack your back, knuckles and knees?

From knuckle pops to neck crunches, joint cracking is common and oddly satisfying. But what’s actually happening inside the ...

Why do our joints crack, pop and crunch and should we worry about it?

Joint noises are common and often misunderstood. A physiotherapist explains why they happen and what they do, and do not, ...