The biggest risk with knee bursitis is infection. A Baker’s cyst is a fluid-filled sac in the back of the knee joint. Excess knee-joint fluid pushes through the back of the joint capsule ...

When you move that part or use it for any work, the pain increases, like this pain occurs in the knee, then the pain ... can cause bursitis. Infections by bacteria, gout, psoriatic arthritis ...

Knee pain while running is often due to runner's knee, IT band syndrome, and knee bursitis. Most running-related knee injuries are the result of increasing your mileage or pace too quickly.