Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these ...

There are two in each knee. Synovium is a membrane that surrounds the knee joint and is filled with synovial fluid. This ...

Synovial joints have synovial fluid in the joint cavity that lubricates or 'oils' the joint so it moves smoothly. Synovial fluid is made by the synovial membrane. In synovial joints, the ends of ...

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and hip joints in the leg. The elbow and knee joints are both hinge joints.

Factors behind knee and joint pain in the elderly during the ... for those having osteoarthritis because of the reduced synovial fluid flow in the joints that can induce pain.