Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Knee popping is often harmless and may occur when a person exercises. However, when it occurs alongside pain, it may be a sign of an underlying problem, such as arthritis or a knee injury. With a knee ...

A harmless form of knee clicking, medically known as crepitus, occurs due to tiny air bubbles trapped in the joint fluid. These bubbles release during movement, producing a popping or clicking sound ...