Regarding knee replacement, people with knee osteoarthritis or other forms of arthritis have refractory pain and difficulty functioning.
Abantu abanesifo se-osteoarthritis emadolweni okanye ezinye iindidi zesifo sokuqaqamba kwamalungu baneentlungu ezinganyangekiyo yaye amalungu abo awasebenzi ngokukuko.