About Grants.gov. Grants.gov is your place to FIND and APPLY for federal grants. The United States Department of Health and Human Services is proud to be the managing partner for Grants.gov.Learn more about Grants.gov.bout Grants.gov. Grants.gov is your place to FIND and APPLY for federal grants. The United States Department of Health and Human Services is proud to be the managing partner for Grants.gov. Learn more about Grants.gov.
Signs and symptoms of knee effusion include: 1  Puffiness and swelling in the knee. 2  Pain when bearing weight. 3  Stiffness or reduced range of motion due to increased fluid.  One knee appears noticeably larger than the 1  other. May feel warm to the touch.
Knee effusion. Description, Causes and Risk Factors: A small amount of fluid exists in normal joints. Knee effusion is a condition in which excess fluid accumulates around your knee joint as a result of overusing your knee, injuring your knee or having an underlying disease.