Collagen is a natural protein component of the skin that acts like a scaffold and the main building block for cells, tissues and organs. About a third of the protein content in your body is made up of collagen, which is found in the bones, muscles, and tissues of the organs.
No: The joint should not have any appreciable fluid in it normally. Fluid can be there from many reasons. Arthritis can cause fluid. Also surgery can cause some bleeding in the knee which can cause the fluid to build up. The fluid makes the joint stiff and makes it hard to get a good quad function. ...Read more.
Arthritis - The are several types of arthritis that may cause fluid on the knee. Infection or Inflammation - When areas of the knee are inflamed, this causes the knee to swell with fluid as the body combats the injury or bacteria in the area. A common form of inflammation that causes fluid in knees is bursitis.