Radiologists believe they've figured out why knuckles crack, and the good news is the source of the noise does no immediate harm to your hand. Ultrasound readings of people cracking their knuckles ...

Cracking your knuckles is something many people do out of stress, boredom, or just habit. Yet for years, it has been surrounded by fear and misinformation. Some believe it weakens the joints, while ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. There’s been a misunderstanding for years ...

Researchers prepare a study participant's finger for joint cracking under the watch of an MRI video setup in this undated handout picture courtesy of the Peter S. Allen MR Research Centre, University ...

Knuckle cracking may be annoying, but researchers did not understand how the sharp cracking sound was produced by the practice until now. This new study shows what most medical professionals thought ...