What is bursities?

Answer 1

The inflammation of bursa is known as bursitis. In our body we have over 150 bursa sacs. These fluid-filled sacs keep the joints lubricated and cushioned between bones and the tendons and muscles near the joints

Answer 2

"Bursitis is the inflammation of a bursa, a fluid-filled sac that cushions joints and reduces friction between tissues. It commonly affects the shoulders, elbows, hips, and knees, causing pain and swelling in the affected area."