Osteoarthritis (OA) is one of the frequent conditions in the orthopaedic practice. The number of OA patients is increasing and the efficacy of the current treatment methods is relatively low in terms of slowing or even preventing of the disease progression. The current research suggests that the lubrication function of the cartilage depends on its articulating surfaces. https://www.roneverhart.com/Dixon-PSN-7-70-Series-Double-Braced-Round-Drum-Throne-Black-Vinyl/