Water on the knee, or knee effusion, refers to the buildup of fluid in and around the knee joint. This condition leads to a painful, swollen knee and can be caused by various factors, including ...

Of all causes, overuse is the most common reason for an infused knee. Fluid buildup is your body’s way of protecting the area from extra damage. You may have minor swelling after a vigorous activity.

Bursae are fluid-filled sacs in areas of the body that facilitate movement. The knee has several bursae and conditions such as bursitis can impact the bursa in the knee. The body’s musculoskeletal ...

Indianapolis Colts running back Jonathan Taylor spent the entire week of practice on the injury report with a knee injury as the team prepared for the Week 4 matchup against the Tennessee Titans.

Lakers forward Jarred Vanderbilt has recently experienced fluid in his left knee during his rehabilitation from offseason procedures to both feet and is targeting early January for his return, the ...

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 ...

Septic arthritis of the knee involves a sudden, severe infection in one or both knee joints. Without treatment, it can impair mobility, lead to permanent damage, or even be fatal. Septic arthritis is ...

A hyperextended knee — or knee hyperextension — develops when the knee joint bends the wrong way and can damage the ligaments in the knee. The condition is common in athletes who play high-impact ...