Knee popping — also known as “Barbie knees” due to the sounds the doll makes when someone bends its knees — can be an unsettling experience, often leaving individuals concerned about potential ...

Q: My knee makes a popping sound sometimes — should I be concerned? A: Knee noises can be unsettling, but they're not always a cause for concern.

Tricompartmental osteoarthritis causes pain and damage due to the cartilage (cushioning) in a joint breaking down. This form of osteoarthritis occurs when there's damage in the three compartments of ...