It's not hard to find the popular "bone cracking" videos online. Typically in the videos, a young social media influencer lays across a special table. Then an expert pushes and contorts his or her ...

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 ...