Grand Island is a city in and the county seat of Hall County, Nebraska, United States. The population was 48,520 at the 2010 census. Grand Island is the principal city of the Grand Island metropolitan area, which consists of Hall, Merrick, Howard and Hamilton counties. The Grand Island metropolitan area has an official population of 83,472 residents. Grand Island has been given the All-America City Award three times (1955, 1967, and 1981â82) by the National Civic League.
One of the more common causes of pain in the back of the knee joint, specifically, is a popliteal synovial cyst, which is also known as a bakerâs cyst. This fluid-filled cyst at the back of the leg often forms in response to arthritis or other cartilage damage.The bulge creates a feeling of tightness behind the knee as well as stiffness and swelling and pain behind the knee and calf. For many, this pain intensifies when flexing or fully extending the leg.his fluid-filled cyst at the back of the leg often forms in response to arthritis or other cartilage damage. The bulge creates a feeling of tightness behind the knee as well as stiffness and swelling and pain behind the knee and calf. For many, this pain intensifies when flexing or fully extending the leg.
Finding the Cause. 1  Location: Where on the knee the patient feels pain can offer some clues about what type of injury or condition is causing the pain. For instance, pain on the inside or medial side of the knee (the side closest to the other knee) can be caused by medial meniscus tears, MCL injuries, and arthritis.