Lubrication of human joints.
D001696:Biomechanical Phenomena; D002358:Cartilage, Articular / Q000033:anatomy & histology; D006615:Hip / Q000502:physiology* / Q000503:physiopathology; D006801:Humans; D008153:Lubrication; D009068:Movement; D010003:Osteoarthritis / Q000503:physiopathology; D013582:Synovial Fluid / Q000502:physiology