Fig . 3 osteophyte formed around prothesis , but no effect on joint activities 1 year after operation 图3 .术后1年照片，假体周围骨赘形成，对关节活动无影响。
2.
The state of back pain in young people is commonly due to phenomena such as arthrosis , osteophytes or traumatism of the vertebral column 年轻人有背痛的现象，可能是由于脊椎骨退化有骨剌或脊骨震伤所致。
