Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these ...

Baker’s cysts cause pain and swelling in the back of the knee joint that gets worse with activity. The pain is often described as joint tightening and stiffness upon bending or straightening.

A physical therapist said that sitting all day can cause knee pain, but simple exercises can help strengthen and stabilize the joints.

This quiet rule change prompted Pasillas to declare: "Once again MLB bending the knee to mighty Dodgers ... the Dodgers are not going to rush Ohtani back. Other pitchers’ timelines, such ...