The researchers counsel that partial knee replacement must be the 1st option for surgery in those with osteoarthritis affecting just one 50 percent of your knee. The synovial membrane secretes synovial fluid (a transparent, sticky fluid) round the joint to lubricate it. Ligament. A sort of hard, elastic connective tissue https://www.theorthopaedicandpainpractice.com/the-benefits-and-risks-of-knee-replacement-surgery/