Medically reviewed by David Ozeri, MD Bursitis is the inflammation of a bursa, which is a fluid-filled sac between the muscles, tendons, skin, and bones near your joints. Over 150 bursae in your body ...

There are 160 bursae in the body, with the major bursae located in the large shoulder, hip, elbow and knee joints. Bursitis is the inflammation of a bursa. In baseball players, shoulder bursitis is ...

The result can be joint pain, swelling, inflammation and loss of function. The elbow is commonly affected in people with RA. This disease tends to affect similar joints on both sides of the body (both ...