This bulge, also called a "popliteal cyst," forms behind the knee. It's a swollen bursa. A bursa is a fluid-filled sac that helps reduce friction between soft tissues and bones. There are several of these sacs in the knee and in other joints. A swollen bursa can be uncomfortable, or even painful.
OUR THOUSAND OAKS OFFICE HAS MOVED | Our new facility is located off Russell Ranch Road in Westlake Village. MRI and physical therapy will not be moving to Westlake until February 13, but both are still available in our old Thousand Oaks office.x