Osteoarthritis of knee joint, video with text. 1970-01-01T00:00:00+00:00Main components of the knee joint are highlighted, then bones spur and cartilage erodes as in case of osteoarthritis, labeled version. PT22Shttps://d3e1m60ptf1oym.cloudfront.net/29a4867e-061a-11e3-bec4-e5c148182324/osteoarthritis_labeled_xlarge.jpghttps://d3e1m60ptf1oym.cloudfront.net/29a4867e-061a-11e3-bec4-e5c148182324/osteoarthritis_labeled_mp4_hd_video.mp4