What Causes Fluid on the Elbow?
The condition of having fluid on the elbow is medically known as olecranon bursitis, which afflicts the bursa, a sac-like tissue that protects the area where the ulna and humerus bones connect. This sac moves with the elbow joint and cushions the area against external pressure or trauma. The prominence of the point of the elbow and the lack of protective muscle tissue causes this area to be vulnerable to injury.
