A common cause is the formation of gas bubbles in the knee joint. Sometimes small gas bubbles form in the joint fluid. When we walk or bend the knee, these bubbles burst and a cracking sound is heard.

For many kids growing up in the 1970s, Kevin Keegan wasn’t just a footballer – he was an icon in sideburns and bubble perm.

It can affect different parts of the body, but it is common in the knee. It usually happens when air bubbles develop in ... a small amount of synovial fluid. This helps to lubricate the cartilage.

Knee cracking is painless for most people ... gas can build up in the areas surrounding the joint, forming tiny bubbles in the synovial fluid. When you bend your knees, some of the bubbles burst.

One of the most exquisitely engineered batting machines of his age, Kumar Sangakkara's charismatic, erudite presence also ...

This includes blood pressure control and fluid management, which are potential critical challenges ... requires vigilant monitoring throughout the entire procedure to ensure adequate antegrade flow of ...

Credit: Small (2025). DOI: 10.1002/smll.202408979 The team successfully generated two bubbles measuring about 10 micrometers in diameter that spontaneously vibrate at sub-megahertz frequencies ...

For instance, there's a chance that when you check the oil on your dipstick, it could have small bubbles within it. This isn't the usual appearance of oil within a vehicle and can come as a ...

A common diabetes drug can reduce the pain of people with knee osteoarthritis and overweight or obesity, possibly delaying the need for knee replacements, Monash University-led research has found.

They found that a two-part mixture of only magma and solid mineral crystals would not fit the strength of the reflected seismic signals, but a three-part mixture with supercritical fluid bubbles ...