Hyaluronic Acid Injection Joint Lube Dr. Green Life How to Quickly Lubricate a Stiff Knee KneeVisc in Orlando Chronic Knee Pain Relief Treatment A gel injection for the knee helps improve joint lubrication when natural synovial fluid becomes thinner or less effective, which often happens with arthritis., This gel acts as a cushion and Synovial Fluid = Knees Natural Lubricant, It reduces friction, nourishes cartilage & absorbs shock, Low or poor quality synovial fluid more friction cartilage wear knee arthritis, Why