Some amount of fluid around your knee is necessary — it helps cushion your bones and keeps the joint limber. But if too much fluid accumulates, it can lead to an effusion (or an abnormal collection of ...

Arthroplasty-associated infection, or periprosthetic joint infection (PJI), is a rare disease and is clinically distinct from native bone or joint infection. PJI involves interactions between ...

If you have swollen, painful knees that are tender to the touch, you may have knee bursitis. Knee bursitis is very common among people ages 40 to 60. Even so, many adults don’t know how to recognize ...

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 ...

The knee is the largest joint on the body and most prone to issues like injury. A puffy, stiff, or painful knee can limit mobility severely and is extremely painful. While exercise strengthens the ...

Sometimes, arthritis affects only one knee compartment. In these cases, your doctor may recommend a partial knee replacement, in which they will replace only the affected compartment. X-ray scan ...

Do your knees ache when you walk upstairs, hike, or even when you sit or lie down? If they do, you may be thinking about treatment options and wondering if you should get your knees replaced. Knee ...