The right knee joint X-ray, the normal group:the medial and lateral interspace of knee joint were homogeneity, the adumbration of the medial condyle of femur and the medial plateau of tibia were clear;

• 1 右膝关节X线检查 正常组膝关节内外侧间隙均匀一致,股骨内髁、胫骨平台关节面轮廓清晰,光整; 造模组膝关节内侧间隙明显变窄,外侧间隙增大,膝关节失稳,股骨内髁、胫骨平台关节面不光整;