This tendon is what allows you to fully extend ... In extreme cases with persistent symptoms, you may need to undergo surgery. 5. Knee bursitis Where it hurts: It causes pain on the kneecap ...

Medically reviewed by Scott Zashin, MD Knee pain at night is a common condition caused by injury, arthritis, bursitis, gout, and more. When it happens at bedtime, it can also lead to insomnia, which ...

The patellar tendon is the band-like tissue that connects ... fluid-filled sac called the bursa, which sits between the ITB and the outside of the femur. When the ITB is tight, the bursa gets ...