Cracking your back or neck might provide quick relief and a satisfying popping noise — but is it a safe practice? "When you stretch or manipulate your spine, such as by twisting or bending, the ...

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 ...

For many people, there is a sort of deep-seated satisfaction in cracking their knuckles, which is part of the reason why it's ...

Joint cracking is one of those habits most of us acquire without thinking about it. A knuckle popped mid-sentence. A back twisted as we stand up. A neck gently crunched while the kettle boils. It is ...

Human bodies have joints that contain a lubricant fluid which could make a cracking noise when you bend knee, rotate shoulder or crack fingers. However, if the noise is persistent you should visit a ...