The Three Pillars of Shoulder Health. To fix nagging shoulder pain, always follow these rules: 1  Stop doing exercises that irritate the shoulders. 2  Get the shoulders to sit in the right position.  Get the shoulders to move properly.
Causes of Fluid on the Knee. 1  There can be the accumulation of fluid on the knee through rheumatoid arthritis or osteoarthritis. 2  There can be extra production of synovial fluid in the knee through arthritis. 3  Infection in the knee joint; the fluid on the knee is pus, and not synovial fluid.
Factors related to fluid buildup include: 1  Acute kidney failure. 2  Cardiomyopathy (disease of heart tissue) 3  Cirrhosis (scarring of the liver) 4  Deep vein thrombosis (DVT) 5  Heart failure. 6  Hormone therapy. 7  Chronic kidney disease. 8  Lymphedema (blockage in the lymph system) 9  Nephrotic syndrome.