Knee comparisons

http://www.smo.edu.mx/jornada2013/

Fuente: http://www.mayoclinic.com/health/medical/IM00073

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Knee comparisons

One of the most common reasons for knee replacement surgery is joint damage caused by wear-and-tear arthritis (osteoarthritis). Osteoarthritis can erode the slick cartilage that helps your knee joint move smoothly. An artificial knee joint has metal alloy caps for your thighbone and shinbone, and high-density plastic to replace eroded cartilage.