a chronic inflammatory disease of synovial joints, involving the joint capsule and its attached ligaments and tendons. The spinal and sacroiliac joints are primarily affected resulting in pain, stiffness, fatigue, loss of movement and function.
distension of the popliteal bursa, which may be accompanied by herniation of the synovial membrance of the knee joint capsule forming a fluid-filled sac as the back of the knee. Associated with rheumatoid arthritis and osteoarthritis.
