That satisfying pop from knuckles or unexpected crack from knees during stretches often puzzles both medical professionals and patients alike. While these sounds can startle or concern some people, ...

Your joints actually crack as a result of gas. A gas-filled cavity - known as tribonucleation - forms in the synovial fluid between two joints, creating the popping sound, instead of the common belief ...

If you’ve ever popped or cracked your joints — by accident or on purpose — you’re not alone. There’s even a medical name for that crackling, clicking or popping sound your bones make: crepitus.

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 ...